Delicious & Easy Banana Blueberry Oatmeal Muffins: Your New Favorite Breakfast Treat!
Searching for the perfect start to your day or a delightful snack that’s both satisfying and easy to make? Look no further than these incredible **Banana Blueberry Oatmeal Muffins**! Combining the comforting flavors of ripe bananas with juicy blueberries and wholesome oats, these muffins are a true bakery-style delight. They boast a light, fluffy interior, a subtle sweetness, and a wonderfully crispy top, making them irresistible for kids and adults alike.

What makes these **oatmeal muffins** truly exceptional is their simplicity. This is a hassle-free, one-bowl recipe, perfect for busy mornings or when you’re craving something homemade without a lot of fuss. They’re an excellent way to use up those overripe bananas sitting on your counter, transforming them into a moist, flavorful treat. The addition of yogurt (or sour cream) also contributes to their incredible tenderness. Whether you prefer regular-sized muffins or impressive jumbo ones, this recipe delivers. Plus, they’re fantastic for meal prep as they freeze beautifully. Just grab a frozen muffin, microwave for a few seconds, and you’ll have a quick, warm, and utterly delicious breakfast or snack ready to go.
If you’re a fan of oat-based baked goods, you might also enjoy these other delightful recipes:
- Peanut Butter and Jelly Bars
- Peanut Butter Banana Oatmeal Bars
Looking for more muffin inspiration? Try these popular recipes:
- Easy Jumbo Blueberry Muffins (Bakery Style)
- Classic All Bran Muffins with Buttermilk
- Butter Rum Muffins
- Bakery Style Pistachio Muffins
- Cinnamon Apple Crumble Muffins with Oats
- Fluffy Bakery Style Banana Muffins
Why You’ll Fall in Love with This Banana Blueberry Oatmeal Muffin Recipe
These aren’t just any muffins; they’re a revelation in simplicity and flavor. Here’s why these **blueberry banana muffins** will quickly become a staple in your kitchen:
- Unbelievably Moist and Perfectly Textured: The secret to their incredible moisture lies in the combination of mashed ripe bananas, creamy yogurt (or sour cream), and a touch of vegetable oil. Fresh blueberries add another layer of juicy tenderness, ensuring your muffins stay delightfully moist for days. The unique blend of finely ground oats with all-purpose flour creates a distinct, comforting texture and a wholesome flavor that sets these apart from traditional muffins. Every bite offers a perfect balance of soft crumb and delightful chewiness.
- A Harmony of Classic Breakfast Flavors: Ever find yourself torn between a banana, a bowl of oatmeal, and a handful of fresh blueberries for breakfast? With this recipe, you don’t have to choose! These muffins ingeniously combine all three. The oats provide a hearty substance, making them more filling than typical muffins, while the sweet bananas and bright, tangy blueberries create a symphony of fruit flavors. It’s truly breakfast bliss in a convenient, handheld form.
- Effortless One-Bowl Preparation: Imagine whipping up a batch of delectable muffins without a mountain of dirty dishes. This **one-bowl muffin recipe** is a dream come true for anyone who values efficiency. With minimal ingredients and no special equipment required beyond a bowl and a whisk, cleanup is a breeze. It’s the kind of recipe that makes baking enjoyable, even on your busiest days, proving that delicious results don’t always demand complex processes.
- Family-Friendly and Crowd-Pleasing: These muffins are a guaranteed hit with everyone. The sweet, fruity flavors appeal to children, making them an ideal healthy snack or breakfast option for little ones. For adults, they offer a comforting, nostalgic taste with a homemade touch. Whether you’re serving them for a family breakfast, a school lunchbox, or a casual brunch, these muffins are sure to bring smiles all around.
- Customizable for Every Palate: While perfect as is, this recipe is also incredibly versatile. Feel free to experiment with different additions like chopped nuts (walnuts or pecans), chocolate chips, or a sprinkle of cinnamon sugar on top for extra sweetness and crunch. This adaptability means you can tailor them to your specific cravings or dietary preferences, ensuring they never get boring.
- Ideal for Meal Prep: Baking a large batch of these muffins is an excellent way to get ahead on your breakfast and snack planning for the week. They store exceptionally well at room temperature and freeze beautifully, allowing you to have a wholesome, homemade treat ready whenever hunger strikes. This convenience makes healthy eating easier and more accessible, especially for busy individuals and families.

Essential Ingredients for Your Banana Blueberry Oatmeal Muffins
Crafting the perfect muffin starts with understanding your ingredients. Here’s a closer look at what you’ll need and why each component is vital for these **healthy oatmeal muffins**:
- Rolled Oats: Also known as old-fashioned oats, these provide a hearty, wholesome texture and flavor. A portion of the oats will be finely ground and mixed into the dry ingredients, adding structure and a delicate oat flavor, while the rest are sprinkled on top for a rustic finish and added texture.
- Overripe Bananas: This is key! You want bananas with plenty of brown spots, or even completely brown ones. The riper the banana, the sweeter and more flavorful your muffins will be, and the more moisture they’ll impart to the batter. They’re excellent for natural sweetness and a moist crumb.
- Blueberries: Fresh or frozen blueberries work perfectly in this recipe. There’s no need to thaw frozen blueberries; simply toss them directly into the flour mixture to prevent them from sinking. They burst with juicy flavor during baking, adding a delightful tartness that complements the sweet banana.
- Unsalted Butter & Vegetable Oil: This combination ensures optimal flavor and moisture. Butter contributes a rich, classic bakery taste, while a neutral-flavored vegetable oil (like canola or sunflower oil) adds additional moisture, keeping the muffins tender without making them greasy.
- Sour Cream (or Greek Yogurt/Buttermilk): Using full-fat sour cream, plain Greek yogurt, or buttermilk at room temperature is crucial for the muffins’ tender crumb and moistness. The acidity reacts with the baking soda to create a light and airy texture, while the fat content adds richness.
- All-Purpose Flour: Provides the primary structure for the muffins.
- Baking Soda & Baking Powder: These leavening agents work together to give the muffins their characteristic lift and airy texture.
- Kosher Salt: Balances the sweetness and enhances all the other flavors.
- Ground Cinnamon: Adds a warm, comforting spice that beautifully complements the banana and blueberry flavors.
- Granulated Sugar & Light Brown Sugar: A blend of both sugars offers balanced sweetness and moisture. Brown sugar contributes to the muffins’ chewy texture and subtle caramel notes.
- Vanilla Extract or Paste: Enhances the overall flavor profile with its aromatic warmth.
- Large Egg: Acts as a binder, adding structure, richness, and helping the muffins rise. Ensure it’s at room temperature for better incorporation into the batter.
For the precise quantities of each ingredient, please refer to the recipe card below.
Substitutions and Creative Variations
This recipe is wonderfully adaptable! Feel free to customize your **banana blueberry oatmeal muffins** to suit your taste or what you have on hand:
- Fruit Swaps: Don’t have blueberries? Try substituting with an equal amount of fresh or frozen blackberries, raspberries, or chopped cranberries for a different fruity twist. Make sure to toss any frozen fruit with a bit of flour before adding to the batter to prevent sinking.
- Oat Choices: While rolled oats are recommended for texture, you can use quick-cooking oats if that’s what you have. For a gluten-free option, ensure your rolled oats are certified gluten-free.
- Egg Alternatives: For an egg-free version, replace the egg with ¼ cup of unsweetened applesauce or a flax egg (1 tablespoon ground flaxseed mixed with 3 tablespoons water, allowed to sit for 5 minutes).
- Spice It Up: Enhance the warm spice profile by adding a pinch of nutmeg or allspice along with the cinnamon.
- Add-ins: Fold in ½ cup of chocolate chips (white, milk, or dark), chopped walnuts, or pecans for extra flavor and crunch. Coconut flakes also make a delicious addition!
- Citrus Zest: A teaspoon of lemon or orange zest can brighten the flavors, especially with blueberries.
- Top it Off: Instead of just oats, sprinkle a streusel topping (butter, flour, sugar, and cinnamon crumb mixture) or a simple coarse sugar over the muffins before baking for an extra crispy crown.
Step-by-Step: How to Make Your Perfect Banana Blueberry Oatmeal Muffins
Follow these easy instructions to create a batch of bakery-quality **banana oatmeal muffins** at home:

Step One: Begin by peeling your ripe bananas. Mash them thoroughly with a fork in a medium bowl, ensuring some small chunks remain for added texture and pockets of banana flavor in your finished muffins. Set this aside.

Step Two: Take ½ cup of your rolled oats and pulverize them in a food processor or blender until a fine, flour-like powder forms. This will add a delicate oat flavor and texture to the muffin batter. Keep the remaining ¼ cup of whole oats separate; these will be used for sprinkling on top.

Step Three: In a large mixing bowl, combine all your dry ingredients: the all-purpose flour, the pulverized oats from Step Two, baking soda, baking powder, kosher salt, and ground cinnamon. Whisk these together thoroughly until they are well combined and no clumps remain. Set this bowl aside.

Step Four: In a separate large bowl, whisk together the granulated sugar, light brown sugar, melted and cooled unsalted butter, vegetable oil, vanilla extract (or paste), room-temperature large egg, and room-temperature sour cream (or yogurt/buttermilk) until the mixture is completely smooth and evenly combined.

Step Five: Gently fold the mashed bananas into the wet ingredients using a rubber spatula. Mix until the bananas are just evenly distributed throughout the mixture. Be careful not to overmix at this stage.

Step Six: Add the bowl of whisked dry ingredients to the wet ingredients. With your rubber spatula, gently fold until they are just combined. A few streaks of flour are acceptable; overmixing will result in tough muffins.

Step Seven: To help prevent the blueberries from sinking, add about 1 tablespoon of plain muffin batter (without blueberries) to the bottom of each prepared muffin liner. Gently tap the muffin pan on the counter a few times to spread the batter and ensure the bottoms are coated.

Step Eight: In a small bowl, gently toss your fresh or frozen blueberries with 2 tablespoons of all-purpose flour. This coating helps suspend the blueberries throughout the muffin batter during baking, preventing them from sinking to the bottom.

Step Nine: Carefully add the flour-coated blueberries to the remaining muffin batter. Using your rubber spatula, gently fold them in until they are just evenly distributed. Again, avoid overmixing to maintain a tender crumb.

Step Ten: Divide the blueberry muffin batter evenly among the prepared muffin cups, filling each liner almost to the top. This generous filling helps create those desirable tall, bakery-style muffin tops. Optionally, scatter a few extra blueberries and the reserved ¼ cup of whole oats over the top of each muffin for an appealing finish. Bake as directed in the recipe card below, then allow them to cool.
Expert Baking Tips for Perfect Muffins
- Flour Your Blueberries: Always toss fresh or frozen blueberries in a tablespoon or two of flour before adding them to the batter. This simple step creates a barrier that prevents the blueberries from sinking to the bottom during baking, ensuring even distribution throughout your muffins.
- Embrace Banana Chunks: When mashing your ripe bananas, resist the urge to create a perfectly smooth puree. Leaving some small chunks of banana not only adds wonderful textural interest but also provides bursts of concentrated banana flavor in every bite.
- Avoid Overmixing: The golden rule for tender muffins! Overmixing the batter develops the gluten in the flour too much, leading to tough, dense muffins. Mix just until the wet and dry ingredients are barely combined. A few streaks of flour are perfectly fine and will disappear during baking.
- Rest the Batter for Tall Tops: For those coveted high, domed muffin tops, consider letting your batter rest at room temperature for about 15-20 minutes before baking. This allows the flour to fully hydrate and the leavening agents to begin working, contributing to a better rise.
- High Heat for an Initial Burst: Start baking your muffins at a higher temperature (e.g., 425°F/220°C) for the first 5 minutes, then reduce it to a lower temperature (e.g., 400°F/200°C) for the remainder of the baking time. The initial blast of high heat helps the muffins rise quickly, creating that desirable domed top.
- Use Very Ripe Bananas: The browner and spottier your bananas, the better! Overripe bananas are significantly sweeter and more aromatic, contributing maximum flavor and moisture to your muffins. Don’t be afraid to use bananas that are almost entirely black.
- Room Temperature Ingredients: Ensure your eggs, yogurt/sour cream, and melted butter (if using) are at room temperature. This helps them emulsify better with the other ingredients, leading to a smoother batter and a more uniform texture in your baked goods.
Banana Blueberry Oatmeal Muffins: Recipe FAQs
How do I prevent the blueberries from sinking to the bottom of my muffins?
There are two key tricks. First, lightly toss your blueberries in a tablespoon or two of all-purpose flour before folding them into the batter. This light coating helps them cling to the batter and prevents them from falling. Second, you can add a small amount (about a tablespoon) of plain batter to the bottom of each muffin cup before adding the blueberry-filled batter on top. This creates a base layer that further supports the berries.
What makes muffins moist, and how does this recipe ensure moistness?
Moist muffins rely on a good balance of fats and wet ingredients. In this recipe, the combination of very ripe mashed bananas (which are naturally moist and sweet), vegetable oil, and sour cream (or Greek yogurt) are the heroes. Overmixing can also lead to dry muffins, so gently folding the ingredients until just combined is crucial for maintaining tenderness.
How can I achieve tall, domed muffin tops like those from a bakery?
Several factors contribute to tall muffin tops. This recipe uses the “high-to-low heat” method: starting the oven at a higher temperature for the first few minutes (e.g., 425°F/220°C) and then reducing it (e.g., 400°F/200°C) encourages a rapid initial rise. Additionally, ensuring your leavening agents (baking soda and baking powder) are fresh and correctly measured, briefly resting the batter before baking, and filling your muffin liners generously to the top all help to create beautifully domed muffins.
Can I use frozen bananas in this recipe?
Absolutely! Frozen ripe bananas are excellent for muffins. Thaw them completely at room temperature, then drain any excess liquid before mashing. The texture will be very soft, which is perfect for this recipe.
How do I know when the oatmeal muffins are fully baked?
Muffins are done when they are golden brown, spring back lightly when gently pressed, and a toothpick inserted into the center comes out clean or with a few moist crumbs attached (but no wet batter). Be careful not to overbake, as this can dry them out.
Can I make these muffins gluten-free?
To make these muffins gluten-free, substitute the all-purpose flour with a 1:1 gluten-free baking flour blend that contains xanthan gum. Ensure your rolled oats are certified gluten-free, as oats can sometimes be processed in facilities with wheat.
Storage and Freezing Instructions
These moist **oatmeal muffins** stay fresh and delicious for several days. Proper storage is key to maintaining their texture:
- Room Temperature Storage: Store the cooled muffins in a lightly covered container at room temperature for 3-4 days. Because these muffins are so incredibly moist, it’s best to allow a bit of airflow (e.g., slightly crack the lid of your container or place a paper towel underneath them) to prevent them from becoming too mushy or developing condensation.
- Freezing for Longer Freshness: These muffins freeze exceptionally well, making them perfect for meal prepping. Once completely cooled, place the baked muffins in an airtight freezer-safe container or a zip-top freezer bag. They can be frozen for up to two months.
- Thawing & Reheating: To thaw, simply remove the desired number of muffins from the freezer and let them sit uncovered at room temperature for a few hours. For a quick thaw and warm treat, pop a frozen muffin into the microwave for 20-30 seconds, or until warmed through.

More Sweet Breakfast & Snack Recipes You’ll Love
If you enjoyed these muffins, explore other delightful treats to brighten your mornings or satisfy your sweet cravings:
- Homemade Custard Donuts (Fried or Baked)
- Strawberry Stuffed French Toast
- Cream Cheese Cherry Danish with Puff Pastry
- Brioche Cinnamon Rolls
Did you make this recipe? Share your creations with us! Tag @thecozyplum on Instagram & Facebook and leave a star rating ★ below!
📖 Recipe Card: Banana Blueberry Oatmeal Muffins

Banana Blueberry Oatmeal Muffins
By Callan Wenner
Banana Blueberry Oatmeal Muffins are a delicious and nutritious breakfast treat! These bakery-style muffins are light and fluffy on the inside, bursting with juicy blueberries and banana flavor, and crispy on the outside. Perfect for breakfast or a snack, these easy and quick oatmeal muffins are tasty enough for kids of all ages.
Pin Recipe
Time
Prep Time: 20 mins
Cook Time: 15 mins
Total Time: 35 mins
Details
Course: Breakfast, Dessert, Snack
Cuisine: American
Servings: 12 muffins
Calories: 254 kcal per muffin (estimate)
Equipment
- 12-hole muffin tin
- Cupcake liners (optional)
- Large mixing bowl
- Whisk
- Rubber spatula
Ingredients
- ¾ cup rolled oats
- 3-4 medium bananas (deeply spotted or even black, mashed)
- 1 cup all-purpose flour
- 1 teaspoon baking soda
- 1½ teaspoons baking powder
- ¼ teaspoon kosher salt
- ½ teaspoon ground cinnamon
- ½ cup granulated sugar
- ¼ cup light brown sugar (packed)
- 6 tablespoons unsalted butter (melted and cooled)
- ¼ cup vegetable oil
- 1 teaspoon vanilla paste or extract
- 1 large egg (room temperature)
- ¼ cup sour cream (room temperature)
- 1 cup blueberries (fresh or frozen)
- 2 tablespoons all-purpose flour (to toss with the blueberries)
Instructions
- Preheat the oven to 425℉ (220℃) and line a 12-hole standard muffin tin with cupcake liners.
- Pulverize ½ cup of the rolled oats in a blender or food processor until a fine powder forms. Reserve the remaining ¼ cup of whole oats for sprinkling on top of the muffins.
- Peel and mash the ripe bananas with a fork, intentionally leaving some delightful chunks for texture.
- In a large bowl, whisk together all the dry ingredients: 1 cup all-purpose flour, the ½ cup pulverized oats, baking soda, baking powder, kosher salt, and ground cinnamon. Set aside.
- In a separate large bowl, whisk together the wet ingredients: granulated sugar, light brown sugar, melted and cooled unsalted butter, vegetable oil, vanilla, room-temperature large egg, and room-temperature sour cream until fully combined. Gently fold in the mashed bananas with a rubber spatula.
- Add the dry ingredient mixture to the wet ingredients. With a rubber spatula, gently fold until the ingredients are just combined. Be careful not to overmix; a few streaks of flour are acceptable.
- To help prevent blueberries from sinking, add about 1 tablespoon of plain batter (without blueberries) to the bottom of each muffin liner. Gently tap the muffin pan to ensure the bottoms are coated.
- In a small bowl, toss the 1 cup of blueberries with 2 tablespoons of all-purpose flour until they are lightly coated.
- Add the flour-coated blueberries to the remaining muffin batter and gently fold them in until just combined.
- Distribute the blueberry batter evenly among the prepared liners, filling each one generously to the top. Then, sprinkle the reserved ¼ cup of whole oats (and a few extra blueberries, if desired) over the tops of the muffins.
- Bake at 425℉ (220℃) for 5 minutes. Then, reduce the oven temperature to 400℉ (200℃) without opening the oven door.
- Continue baking for an additional 13-16 minutes, or until a toothpick inserted into the center of a muffin comes out clean or with a few moist crumbs attached (no wet batter).
- Remove from the oven and let cool in the muffin tin for a few minutes before transferring to a wire rack to cool completely.
Notes
- If using frozen blueberries, there is no need to thaw them first. Toss them directly from the freezer with flour as instructed.
- For six jumbo muffins, bake for 5 minutes at 425℉ (220℃) and then an additional 15-18 minutes at 400℉ (200℃).
- Store the cooled oatmeal muffins in a lightly covered container at room temperature for 3-4 days. Allow a bit of airflow to prevent them from becoming mushy.
Nutritional Information
Calories: 254 kcal
Carbohydrates: 35g
Protein: 3g
Fat: 12g
Saturated Fat: 5g
Polyunsaturated Fat: 3g
Monounsaturated Fat: 3g
Trans Fat: 0.3g
Cholesterol: 33mg
Sodium: 203mg
Potassium: 167mg
Fiber: 2g
Sugar: 18g
Vitamin A: 254 IU
Vitamin C: 4mg
Calcium: 50mg
Iron: 1mg
The provided nutritional information is an estimate per serving. Accuracy is not guaranteed.
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