Prepare to be enchanted by this exquisite Lemon Pistachio Cake, a dessert that masterfully blends vibrant citrus with a delicate nutty essence. Each slice promises an incredibly tender crumb, generously infused with zesty lemon flavor and the subtle richness of finely ground pistachios. To elevate this experience, the cake is doused in a tangy-sweet lemon syrup, ensuring every bite is moist and bursting with fresh taste. Crowned with the dreamiest honey lemon mascarpone frosting, this cake strikes a perfect balance of elegance and approachability, making it an ideal one-bowl dessert for any occasion. Whether you’re a seasoned baker or just starting, this recipe offers a delightful and rewarding culinary journey, promising to become a cherished addition to your recipe collection.

This pistachio lemon cake is an absolute must-try for spring gatherings, festive brunches, or simply when you crave a dessert that embodies fresh, bright flavors. Our unique recipe transforms the core essence of a traditional baklava cake into a lighter, more refreshing lemon-infused pistachio cake, offering a delightful twist on a classic. Its captivating flavors and beautiful presentation make it a showstopper, yet its straightforward preparation means even novice bakers can achieve stunning results. Imagine the joy of serving a homemade cake that looks as impressive as it tastes, all without spending hours in the kitchen.
At The Cozy Plum, our affection for pistachio desserts knows no bounds. If you’re planning to indulge in some high-quality raw pistachios, we highly recommend exploring our other beloved recipes. Complement your lemon pistachio cake experience with our equally tempting baklava cookies, decadent pistachio cheesecake bars, melt-in-your-mouth pistachio shortbread cookies, or our incredibly fluffy bakery-style pistachio muffins. Each recipe highlights the unique versatility and irresistible charm of pistachios, proving that this humble nut can elevate any sweet treat to extraordinary levels.
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Why You’ll Adore This Lemon Pistachio Cake
This Lemon Pistachio Cake isn’t just another dessert; it’s an experience designed to delight your senses and simplify your baking life. Here’s why this recipe will quickly become a cherished favorite:
- Unrivaled Moist and Tender Crumb: The secret to this cake’s heavenly texture lies in the inclusion of buttermilk. Buttermilk reacts with the baking soda to create a beautifully soft, fluffy, and incredibly moist crumb that practically melts in your mouth. Unlike many cakes that can dry out quickly, this lemon pistachio creation remains tender and delightful for days, making it an excellent option for preparing in advance for parties or simply enjoying over several days. The perfect balance of fats and leavening agents ensures a consistently delicate texture that’s impossible to resist.
- Bursting with Bright, Fresh Lemon Flavor: From the moment you zest your lemons, a wave of refreshing citrus awakens your palate. Fresh lemon zest and vibrant lemon juice are thoughtfully incorporated into every component of this cake – the rich batter, the tangy simple syrup, and the luscious frosting. This layering ensures a consistent and exhilarating lemon presence throughout, making every forkful a bright, authentic citrus celebration. This isn’t just a hint of lemon; it’s a full-bodied, authentic citrus experience that perfectly complements the subtle nuttiness of the pistachios.
- Indulgent Honey Lemon Mascarpone Frosting: Forget heavy, overly sweet frostings that can overwhelm a delicate cake. Our honey mascarpone frosting is a revelation – light, airy, and exquisitely creamy. The mascarpone cheese provides a rich, velvety base with a subtly sweet profile, while a touch of pure honey adds a delightful floral sweetness and depth. A generous splash of fresh lemon juice cuts through the richness with a delightful tang, creating a perfectly balanced topping that enhances the cake’s flavors without overpowering them. It’s a frosting you’ll want to eat by the spoon!
- Effortless One-Bowl Preparation: Despite its sophisticated appearance and gourmet flavor, this lemon pistachio cake is surprisingly simple to make. The cake batter comes together efficiently in just one bowl, minimizing cleanup and complexity. We firmly believe that delicious baking shouldn’t require intricate techniques or a mountain of dirty dishes, and this recipe proves that easy peasy can indeed be incredibly elegant. It’s perfect for busy bakers who want maximum impact with minimal fuss, allowing you more time to enjoy your creation and less time cleaning up.
Key Ingredients for Your Lemon Pistachio Masterpiece


Crafting the perfect Lemon Pistachio Cake begins with selecting the finest ingredients, as each component plays a crucial role in achieving the cake’s signature flavor, moist texture, and beautiful appearance. Here’s a closer look at what you’ll need:
- Pistachios: These are undoubtedly the stars of the show, imparting a subtle nutty flavor and a delightful, delicate texture throughout the cake. For the most vibrant green color, which truly pops when sliced, we highly recommend using shelled, raw, peeled pistachios. While these might be a bit pricier, their visual appeal is unmatched. If those are hard to find, any variety of shelled pistachios (raw or roasted, salted or unsalted – adjust recipe salt if using salted) will work beautifully, though the final color might vary depending on how many skins are present on the nuts. Ensure you grind them finely, but avoid turning them into a paste.
- All-Purpose Flour: This forms the fundamental structure of our cake, providing a tender yet sturdy framework that supports all the other delicious ingredients. Always measure your flour correctly, preferably by weight, to avoid a dense cake.
- Baking Powder & Baking Soda: This powerful leavening duo is absolutely essential for giving the cake its beautiful lift and creating a light, airy, and fluffy crumb. The baking soda specifically reacts with the acidic buttermilk, ensuring optimal rising and a delicate texture.
- Fresh Lemons: Using fresh lemons is non-negotiable for this recipe! Both the vibrant zest and the tangy juice are generously incorporated into the cake batter, the sweet simple syrup, and the creamy frosting. This strategic layering delivers an authentic and intense citrus flavor that truly makes this cake sing. Avoid bottled lemon juice, as its flavor can be less bright and more artificial.
- Unsalted Butter: Serving as the primary fat in the cake, butter contributes a rich, classic flavor and helps achieve that incredibly tender, melt-in-your-mouth texture. For best results, use good quality butter. For a slight variation, you can swap it for a neutral-flavored oil like canola or vegetable oil, which can yield an even more profoundly moist cake.
- Granulated Sugar: This essential ingredient sweetens the cake to perfection and aids in achieving a beautiful golden-brown crust during baking. It also plays a role in the cake’s overall moistness.
- Eggs & Extra Egg Yolk: The large egg provides crucial structure and richness to the cake, while the addition of an extra egg yolk significantly boosts moisture, enhances tenderness, and contributes a lovely golden hue to the finished product. Ensure they are at room temperature for smooth and even incorporation into the batter.
- Vanilla Extract: A touch of high-quality vanilla extract is added to both the cake and the frosting. It acts as a bridge, complementing both the bright lemon and the earthy pistachio flavors, adding warmth, depth, and a classic comforting aroma to the dessert.
- Buttermilk: A true game-changer for moisture and tenderness in baked goods. Its natural acidity activates the baking soda, resulting in a wonderfully soft, fluffy, and moist cake crumb that stays fresh longer. Using room-temperature buttermilk is key for achieving a uniform and smooth batter.
- Mascarpone Cheese: The absolute hero of our frosting! This luxurious Italian cream cheese creates an ultra-creamy, velvety, and indulgent base for the topping. Its mild, slightly sweet flavor is perfectly suited for pairing with the zesty lemon and sweet honey, creating a frosting that’s rich yet incredibly light. Make sure it’s kept very cold until you are ready to whip it.
- Heavy Whipping Cream: Whipped together with the mascarpone, heavy cream adds incredible lightness, volume, and fluffiness, transforming the frosting into a cloud-like texture that is both super smooth and wonderfully spreadable. Just like the mascarpone, ensure it is very cold for optimal whipping results.
- Powdered Sugar: This finely ground sugar sweetens the frosting and is crucial for achieving that silky-smooth, melt-in-your-mouth consistency without any unwanted graininess.
- Honey: Introduced into the frosting for a lovely, nuanced floral note and a hint of natural sweetness that beautifully complements the lemon. It also makes for a beautiful, glistening drizzle on top after decorating, adding both flavor and visual appeal.
For a complete list of ingredients with precise quantities and measurements, please refer to the detailed recipe card below.
Creative Substitutions & Delicious Variations
One of the joys of baking is the freedom to experiment and customize. This Lemon Pistachio Cake recipe is wonderfully adaptable, allowing you to tailor it to your preferences, dietary needs, or simply what you have on hand in your pantry. Don’t be afraid to get creative!
- Neutral Oil for Butter: For an even more profoundly tender and moist cake, especially one that stays fresh longer, consider using a neutral-flavored oil like canola, vegetable oil, or grapeseed oil in place of the unsalted butter. Oil contributes a different kind of moisture that keeps cakes incredibly soft and can sometimes result in a finer crumb. Alternatively, for an intriguing savory-sweet note with a hint of peppery warmth, try a high-quality, mild olive oil – its fruity undertones can add an unexpected depth of flavor that works surprisingly well with lemon.
- Buttermilk Alternatives: If buttermilk isn’t readily available at your local grocery store, don’t despair! You can easily create a substitute or use other acidic dairy products. Plain Greek yogurt or sour cream can be excellent stand-ins, providing the necessary acidity and richness for a moist crumb. Simply use the same quantity as buttermilk. You can also quickly make your own buttermilk by adding 1 tablespoon of fresh lemon juice or white vinegar to a liquid measuring cup, then filling the rest with regular milk (dairy or non-dairy) up to the ½-cup mark. Stir it gently and let it sit for 5-10 minutes until it slightly curdles.
- Cream Cheese Frosting Instead of Mascarpone: While mascarpone offers a milder, more luxurious creaminess, full-fat cream cheese can be substituted for a tangier, more classic cream cheese frosting experience. Ensure the cream cheese is softened slightly but still cool before whipping for the best texture and to prevent it from becoming too runny. The distinct tartness of cream cheese beautifully complements the bright lemon flavors in the cake.
- Fruity Additions for an Extra Burst of Flavor: Introduce an extra layer of freshness and a beautiful visual appeal by gently folding fresh raspberries or blueberries into the cake batter just before baking. The berries will soften and release their juices during baking, creating delightful pockets of fruity goodness that pair exquisitely with both lemon and pistachio. About ½ to 1 cup of berries would be perfect.
- Elevate to a Layer Cake: Want to impress your guests with a show-stopping dessert? Simply double the recipe and divide the batter evenly between two 8-inch round cake pans for a stunning two-layer lemon pistachio cake. Adjust the baking time slightly if needed, as two thinner layers might bake faster than one thick one, but always monitor closely for doneness using the toothpick test.
- Alternate Pan Sizes and Forms: This versatile batter can be baked in various pans to suit your needs. For a square, easy-to-slice dessert that’s great for potlucks or casual gatherings, use an 8×8-inch square pan. You could also transform this recipe into delightful cupcakes, adjusting the baking time to approximately 18-22 minutes, or a loaf cake, baking longer until a toothpick comes out clean.
- Enhance the Green Hue Naturally or Artificially: If your pistachios don’t yield the vibrant green color you desire, or if you simply want a more pronounced and eye-catching tint, you have a couple of easy options. You can add a few drops of green food coloring (gel or liquid) to the batter until your desired shade is reached. For a natural alternative that also adds a subtle earthy note (which won’t be distinctly tasted in small amounts due to the strong lemon flavor), stir in 1 tablespoon of high-quality matcha powder. This will give a beautiful, natural green tint without altering the main flavor profile.
Step-by-Step Guide: Crafting Your Lemon Pistachio Cake
Baking this stunning Lemon Pistachio Cake is a straightforward and enjoyable process that even beginner bakers can master. Follow these detailed steps carefully to achieve a perfectly moist cake with an exquisite lemon-pistachio flavor and a cloud-like mascarpone frosting.

Step One: Prepare Lemon Sugar
Begin by rubbing the fresh lemon zest into the granulated sugar in a medium mixing bowl. Use your fingertips to really press and massage the zest into the sugar. This crucial step is not just about combining; it releases the aromatic essential oils from the lemon zest, intensifying its fragrant flavor and ensuring it thoroughly permeates the sugar crystals, which will then infuse the entire cake. Continue until the sugar is pale yellow and highly aromatic, smelling wonderfully lemony.

Step Two: Cream Butter and Lemon Sugar
Transfer the fragrant lemon sugar to the bowl of a stand mixer fitted with a paddle attachment (or use a high-powered handheld mixer). Add the room temperature unsalted butter. Cream these ingredients together on medium speed for about 3 minutes. The goal is for the mixture to become light, fluffy, and significantly paler in color. During this process, stop occasionally to scrape down the sides and bottom of the bowl with a spatula to ensure everything is well combined and evenly aerated.

Step Three: Incorporate Eggs and Vanilla
Crack in the large egg and the additional egg yolk, then add the vanilla extract to the creamed mixture. Mix on medium speed for approximately 1 minute. Continue mixing until the mixture is completely smooth, emulsified, and takes on a pale, creamy consistency. This step helps bind the ingredients and adds structure. Once again, scrape the bowl thoroughly to ensure all ingredients are fully integrated.

Step Four: Mix in Buttermilk
Pour the room temperature buttermilk into the wet ingredients in the mixer bowl. Mix on low speed just until fully combined and smooth. It’s important not to overmix at this stage; we simply want a homogenous mixture before the dry components are introduced. The buttermilk will contribute significantly to the cake’s moistness and tender crumb.

Step Five: Add Dry Ingredients and Pistachios
Gradually add the pre-whisked dry ingredients (flour, baking powder, baking soda, and salt) to the wet mixture in the bowl. Mix on low speed until just combined. The moment you see no more streaks of dry flour, stop mixing immediately. Overmixing at this stage can lead to a tough cake. Then, gently fold in the finely ground pistachios by hand using a rubber spatula. This delicate folding ensures the pistachios are evenly distributed without developing the gluten further.

Step Six: Bake the Cake
Pour the prepared batter evenly into an 8-inch round cake pan that has been meticulously greased and lined with a parchment paper round at the bottom. Bake in a preheated 350°F (175°C) oven for 25-30 minutes. The cake is perfectly done when a wooden toothpick inserted into the very center comes out with a few moist crumbs attached, but no wet batter. The edges will also begin to pull slightly away from the sides of the pan, indicating it’s ready.

Step Seven: Prepare Lemon Simple Syrup
While your cake is baking, prepare the essential lemon simple syrup. In a small saucepan, combine the granulated sugar and fresh lemon juice. Heat this mixture over low heat, stirring occasionally, until the sugar is completely dissolved and the syrup appears clear and smooth. Remove it from the heat once dissolved; you don’t want it to thicken significantly, just enough for the sugar granules to melt completely into the lemon juice.

Step Eight: Syrup Soak the Cake
As soon as the cake emerges from the oven, while it’s still piping hot and in its pan, generously brush or slowly pour the warm lemon simple syrup all over the top and sides of the cake. The warm cake will readily absorb this syrup, creating an extra layer of moisture and infusing it with an even more intense lemon flavor. This step is crucial for that irresistible tangy-sweet douse that sets this cake apart and ensures a wonderfully moist final texture.

Step Nine: Prepare Mascarpone Frosting (Part 1)
Once the cake has completely cooled to room temperature (this is absolutely crucial to prevent the frosting from melting!), begin preparing the exquisite honey lemon mascarpone frosting. In the bowl of your stand mixer fitted with a whisk attachment (or using a high-powered hand mixer), combine the cold mascarpone cheese, fresh lemon zest, fresh lemon juice, powdered sugar, honey, and vanilla extract. Whip these ingredients on medium speed for approximately 1 minute until the mixture is smooth, creamy, and well combined.

Step Ten: Prepare Mascarpone Frosting (Part 2) & Frost
With the mixer still running on medium speed, slowly and gradually drizzle in the very cold heavy whipping cream. Continue whipping for 1-2 minutes until the frosting becomes wonderfully light, fluffy, and holds soft peaks. It’s essential to be careful not to overmix, as mascarpone frosting can separate or curdle quickly if over-whipped. Stop as soon as it reaches your desired fluffy consistency. Once fluffy, gently spread the frosting generously all over the top of your completely cooled lemon pistachio cake. For extra elegance and a pop of color, garnish with a sprinkle of chopped pistachios or a delicate lemon twist before slicing and serving.

Chef’s Secrets for the Perfect Lemon Pistachio Cake
Achieving a truly exceptional Lemon Pistachio Cake is made easier with these expert tips and tricks straight from our kitchen. Pay attention to these details for a result that will impress every time:
- Grind Pistachios Finely, But Don’t Over-process: When preparing your pistachios, aim for a fine, flour-like consistency in your food processor. However, it’s crucial to be cautious not to over-process them. If you blend for too long, the pistachios can release their oils and turn into a paste or butter, which will alter the cake’s delicate texture. A slightly coarse grind is perfectly acceptable and can even add a pleasant, subtle crunch.
- Room Temperature Ingredients Are Absolutely Key for Cake Batter: Always ensure your butter, eggs, and buttermilk are at room temperature before you begin mixing. This seemingly small detail is critical because room temperature ingredients emulsify properly, creating a smooth, homogenous batter that holds more air. This aeration results in a lighter, more tender, and higher-rising cake. Cold ingredients, on the other hand, can cause the batter to curdle and negatively affect the final texture. Plan ahead and take them out of the fridge at least 30-60 minutes before baking.
- Maximize Lemon Flavor with Zest Rubbing: Do not skip the step of rubbing the lemon zest into the granulated sugar! This simple yet powerful action mechanically helps to release the vibrant essential oils present in the lemon peel. By doing so, you infuse the sugar crystals with intense lemon fragrance and flavor, which then disperses beautifully throughout the entire cake. It’s a fundamental technique for achieving truly zesty and aromatic lemon desserts.
- Keep Mascarpone and Heavy Cream Very Cold for Frosting Success: For a stable, luscious, and wonderfully fluffy mascarpone frosting, it is absolutely crucial that both the mascarpone cheese and the heavy whipping cream are very cold, straight from the refrigerator. Cold dairy products whip up much better and hold their structure more effectively, preventing a runny, soupy, or loose frosting that won’t hold its shape.
- Avoid Overwhipping the Mascarpone Frosting: Mascarpone frosting is delicate and prone to over-whipping. Whip it only until it’s light, fluffy, and holds soft to medium peaks. The moment it reaches this consistency, stop the mixer. Overwhipping can cause the frosting to separate, become grainy, or even curdle into a butter-like consistency, making it difficult to spread and losing its desired texture.
- Slow and Even Syrup Application for Optimal Moistness: When applying the warm lemon simple syrup to the hot cake, do so slowly and methodically. Use a pastry brush to ensure even distribution, making sure to coat the sides of the cake as well as the top. This patient approach allows the cake to absorb the syrup thoroughly and evenly, leading to a consistently moist and flavorful result throughout, without any soggy spots or dry patches.
Lemon Pistachio Cake: Your Questions Answered
Absolutely! This cake is wonderfully accommodating and can be prepared ahead of time, making it perfect for busy schedules or entertaining. You can bake the cake layer (without frosting) up to 2-3 days in advance if stored tightly wrapped at room temperature. For longer storage, you can refrigerate the unfrosted cake for up to 4 days before you plan to frost and serve it. Just bring it back to room temperature before frosting.
Yes, freezing is an excellent option for long-term storage or for having a delicious dessert ready at a moment’s notice. Wrap the unfrosted cake tightly in several layers of plastic wrap, then an additional layer of aluminum foil, ensuring no air can get in. It can be frozen for up to 2 months. When you’re ready to enjoy it, thaw the cake at room temperature overnight before applying the fresh honey lemon mascarpone frosting. The texture will remain beautifully moist.
While mascarpone cheese lends a uniquely rich, luxurious, and subtly sweet creamy texture to this specific frosting, you can certainly substitute it if desired. Full-fat cream cheese can be used for a similar thick and spreadable consistency, but be aware that it will impart a much tangier flavor to the frosting, which might alter the overall profile of the dessert. Both options are delicious, but mascarpone offers a milder, more delicate sweetness that allows the lemon and honey to shine.
The most reliable way to test for doneness is by inserting a long wooden toothpick or a thin skewer into the very center of the cake. It should come out with a few moist crumbs attached, but importantly, no wet batter. Additionally, the cake will appear beautifully golden brown on top, feel springy to the touch, and the edges will have slightly pulled away from the sides of the pan.
Storage Guidelines for Optimal Freshness
To ensure your Lemon Pistachio Cake remains as delicious and fresh as possible, follow these storage recommendations carefully:
Once the cake has been frosted with the honey lemon mascarpone frosting, it can be stored at cool room temperature for up to one day. For optimal freshness and to extend its shelf life, transfer the frosted cake, covered loosely to prevent condensation, to the refrigerator. It will keep beautifully in the fridge for up to 3 days. The flavors actually tend to meld and deepen wonderfully after a day or two of refrigeration, making it an excellent make-ahead dessert.
If you prefer to bake ahead and frost later, the unfrosted cake, generously soaked in its lemon simple syrup, can be stored tightly wrapped at room temperature for 3-4 days. The syrup helps significantly in maintaining its moisture. For the frosting, if prepared separately, store it in an airtight container in the fridge for up to 1 week. If it loses some of its light and fluffy consistency during storage, simply re-whip it with a hand mixer for a few seconds until it regains its desired texture before applying it to the cake.

Explore More Simple Cake Recipes from The Cozy Plum
If you’ve fallen in love with the ease, elegance, and sheer deliciousness of our Lemon Pistachio Cake, you’ll be thrilled to discover more delightful and approachable recipes from The Cozy Plum kitchen. We specialize in creating simple yet impressive cakes that are perfect for any occasion, from casual weeknight treats to celebratory centerpieces. Expand your baking repertoire with these other irresistible creations:
- Chocolate Pear Cake
- Apple and Blackberry Cake
- Chocolate Walnut Cake
- Spiced Banana Cake with Brown Butter Cream Cheese Frosting
Essential Baking Notes from The Cozy Plum Kitchen
Here are a few important considerations and helpful tips to keep in mind when cooking and baking with recipes from The Cozy Plum, ensuring consistent and delicious results every time:
- Salt Matters: Understand Your Salt Type: All our recipes are meticulously developed and tested using Diamond Crystal kosher salt. This particular brand is known for being the least salty variety of kosher salt by volume, meaning it has larger, flakier crystals. If you are using Morton’s kosher salt or any brand of sea salt, which are denser and therefore saltier by volume, you will need to cut the amount of salt in the recipe by half to avoid over-salting your baked goods. We strongly advise against using finely ground table salt, as its intense salinity can easily overwhelm delicate flavors.
- Precision with a Digital Scale for Best Results: For the most consistently accurate and truly professional baking results, we highly recommend investing in and using a digital kitchen scale and baking by weight rather than volume. While many recipe cards, including ours, often include both imperial (cups) and metric measurements, weighing your ingredients (especially flour, sugar, and butter) eliminates common measurement errors that can drastically impact the outcome of a delicate recipe like this cake.
- Scaling Recipes: Adjusting Quantities and Baking Times: Our interactive recipe cards typically feature convenient ‘1X’, ‘2X’, and ‘3X’ buttons to easily scale ingredient quantities up or down according to your needs. Please note that while these buttons will automatically adjust the amounts of ingredients, they do not automatically adjust baking times or pan sizes. Always use your best judgment and carefully monitor the baking process closely, making visual and toothpick tests, when scaling recipes. A doubled recipe in the same size pan will take longer to bake, for instance.
Made this incredible Lemon Pistachio Cake? We’d absolutely love to hear from you and see your beautiful creations! Share your baking triumphs by tagging @thecozyplum on Instagram & Facebook. Your feedback means the world to us, so don’t forget to leave a star rating ★ below to let us know how much you loved it!
Lemon Pistachio Cake Recipe Card

Lemon Pistachio Cake
Callan Wenner
This lemon pistachio cake is light, moist, and bursting with fresh lemon flavor, paired with the delicate flavor of finely ground pistachios. It’s topped with a fluffy honey lemon mascarpone frosting and soaked with a tangy-sweet lemon syrup. Elegant yet easy to make, it’s the perfect one-bowl dessert for any occasion.
Pin Recipe
Equipment
- 8″ cake pan
- Parchment paper
- Mixing bowls
- Stand mixer with paddle attachment, or handheld mixer
Use the metric toggle to convert the measurements
Ingredients
- ½ cup pistachios
- 1 ½ cups all-purpose flour
- ¾ teaspoon baking powder
- ¼ teaspoon baking soda
- ¼ teaspoon kosher salt
- ¾ cups granulated sugar
- Zest of 1 lemon
- 6 tablespoons unsalted butter room temperature
- 1 large egg + 1 egg yolk room temperature
- ½ tablespoon vanilla extract
- ½ cup buttermilk room temperature
Lemon Simple Syrup
- ⅓ cup lemon juice
- ⅓ cup sugar
Lemon Mascarpone Frosting
- 8 oz mascarpone cheese cold
- Zest of 1 lemon
- 1 tablespoon fresh lemon juice
- ¼ cup powdered sugar
- 2 tablespoons honey
- 1 teaspoon vanilla extract
- 1 cup heavy whipping cream cold
Instructions
- Preheat the oven to 350℉ (175°C). Grease and line an 8” cake pan with a parchment paper round to cover the bottom.
- Add the pistachios to a food processor and pulse until finely ground.
- In a medium bowl, whisk together the all-purpose flour, baking powder, baking soda, and kosher salt. Set aside.
- Rub the lemon zest into the granulated sugar until pale yellow and fragrant. Then, add the unsalted butter and lemon sugar to the bowl of a stand mixer fitted with the paddle attachment (or use a handheld mixer). Cream together on medium speed for 3 minutes. Scrape down the sides.
- Add in the large egg, egg yolk, and vanilla extract and mix on medium speed until pale in color and smooth, about 1 minute.
- Add the buttermilk and mix on low speed until combined, then spoon in the dry ingredients mixture until the cake batter is just combined.
- Fold in the ground pistachios by hand with a rubber spatula.
- Pour the batter into the prepared cake pan and bake for 25-30 minutes until a toothpick inserted in the center comes out with a few moist crumbs but no wet batter.
- While the cake bakes, heat the sugar and lemon juice in a saucepan over medium heat until the sugar is dissolved. Remove from the heat.
- When the cake is baked, brush or slowly pour the lemon syrup all over the top and sides of the cake (while hot).
- Cool the cake in the pan for 15 minutes, then remove and finish cooling on a wire rack.
- When the cake is fully cool, make the lemon mascarpone frosting.
Lemon Mascarpone Frosting
- In the bowl of a stand mixer fitted with the whisk attachment (or with a hand mixer), add the cold mascarpone cheese, lemon zest, fresh lemon juice, powdered sugar, honey, and vanilla extract and whip on medium speed for 1 minute until smooth.
- With the mixer running, slowly drizzle in the cold heavy cream and whip until the frosting becomes light and fluffy, about 1-2 minutes.
- Note: Overmixing can cause the frosting to curdle.
- Swoop the frosting all over the top of the cooled cake and sprinkle with chopped pistachios before slicing and serving.
Notes
Store the cake at room temperature for one day, then covered in the fridge for 3 days.
The cake (unfrosted) can be stored covered at room temperature for 3-4 days.
Store the frosting covered in the fridge for 1 week. If it loses fluffiness, whip it again for a few seconds before frosting the cake.
Shelled raw peeled pistachios will produce the most vibrant green color, but they are typically the most expensive. Raw or roasted pistachios can both be used, but the final color will vary depending on the presence of skins on the nuts.
Nutrition Information (Estimated per serving):
- Calories: 597 kcal
- Carbohydrates: 59g
- Protein: 8g
- Fat: 37g
- Saturated Fat: 21g
- Polyunsaturated Fat: 2g
- Monounsaturated Fat: 7g
- Trans Fat: 0.3g
- Cholesterol: 110mg
- Sodium: 198mg
- Potassium: 184mg
- Fiber: 1g
- Sugar: 38g
- Vitamin A: 1195IU
- Vitamin C: 5mg
- Calcium: 118mg
- Iron: 2mg
The provided nutritional information is an estimate per serving. Accuracy is not guaranteed.
Let us know how it was!
