These Mixed Berry Baked Oatmeal Muffins are soft, naturally sweet, and packed with wholesome ingredients. Made with oats, bananas, and fresh berries, this easy recipe is perfect for breakfast, snacks, or meal prep.
Why You’ll Love This Recipe
• Naturally sweetened with banana and applesauce
• Soft, moist, and bursting with berries
• Quick and easy one-bowl recipe
• Family-friendly and freezer-friendly
• Great for healthy breakfasts or snacks
Ingredients

- 2 ripe bananas, mashed (1 cup)
- ½ cup unsweetened applesauce
- 2 large eggs
- ¼ cup brown sugar (or maple syrup)
- 1 teaspoon pure vanilla extract
- 1 ½ cups quick-cooking oats
- ¾ cup all-purpose flour (or gluten-free blend)
- ½ teaspoon baking soda
- ½ teaspoon baking powder
- ¼ teaspoon fine salt
- 1 ½ cups fresh berries (blueberries, blackberries, raspberries)
- ⅓ cup chopped walnuts
Instructions
- Preheat oven to 350°F (175°C). Line a 12-cup muffin tin or lightly grease it.
- In a large bowl, whisk mashed bananas, applesauce, eggs, brown sugar, and vanilla.
- Add oats, flour, baking soda, baking powder, and salt. Mix until just combined.
- Gently fold in berries and walnuts.
- Divide batter evenly into muffin cups, filling almost to the top.
- Bake for 15–18 minutes until centers are set and edges are lightly golden.
- Cool for 5 minutes in the pan, then transfer to a wire rack.
These Mixed Berry Baked Oatmeal Muffins are best enjoyed slightly warm or fully cooled.

Tips & Tricks
• Use overripe bananas for maximum sweetness
• Frozen berries work—do not thaw before adding
• Swap walnuts with almonds or omit for nut-free
• Use maple syrup for refined sugar-free version
• Do not overmix to keep muffins tender
Details
- Prep Time: 10 minutes
- Cook Time: 18 minutes
- Total Time: 28 minutes
- Yield: 12 muffins
- Category: Breakfast / Snack
- Method: Baking
- Cuisine: American
- Difficulty: Easy
- Dietary Notes: Vegetarian, optional gluten-free

Notes
• Serve with yogurt or nut butter for extra protein
• Add cinnamon or nutmeg for warm flavor
• Use dairy-free ingredients if needed
Nutrition (Approximate per muffin)
- Calories: 150
- Protein: 4g
- Carbs: 22g
- Fat: 5g
FAQ
Can I make these gluten-free?
Yes, use a gluten-free all-purpose flour blend.
Can I use frozen berries?
Absolutely. Add them frozen to prevent bleeding.
How do I make them sweeter?
Increase maple syrup slightly or add a few chocolate chips.
Can I skip eggs?
Yes, substitute with flax eggs (1 tbsp flax + 3 tbsp water per egg).
Are these muffins good for meal prep?
Yes, they store well and freeze perfectly.
Storage
- Refrigerator: Store up to 6 days in airtight container
- Freezer: Freeze up to 3 months
- Reheat: Microwave 20–30 seconds or warm in oven

Similar Recipes

Mixed Berry Baked Oatmeal Muffins
Ingredients
- 2 ripe bananas mashed (1 cup)
- ½ cup unsweetened applesauce
- 2 large eggs
- ¼ cup brown sugar or maple syrup
- 1 teaspoon pure vanilla extract
- 1 ½ cups quick-cooking oats
- ¾ cup all-purpose flour or gluten-free blend
- ½ teaspoon baking soda
- ½ teaspoon baking powder
- ¼ teaspoon fine salt
- 1 ½ cups fresh berries blueberries, blackberries, raspberries
- ⅓ cup chopped walnuts
Instructions
- Preheat oven to 350°F (175°C). Line a 12-cup muffin tin or lightly grease it.
- In a large bowl, whisk mashed bananas, applesauce, eggs, brown sugar, and vanilla.
- Add oats, flour, baking soda, baking powder, and salt. Mix until just combined.
- Gently fold in berries and walnuts.
- Divide batter evenly into muffin cups, filling almost to the top.
- Bake for 15–18 minutes until centers are set and edges are lightly golden.
- Cool for 5 minutes in the pan, then transfer to a wire rack.
- These Mixed Berry Baked Oatmeal Muffins are best enjoyed slightly warm or fully cooled.
Notes
• Add cinnamon or nutmeg for warm flavor
• Use dairy-free ingredients if needed
Conclusion
These Mixed Berry Baked Oatmeal Muffins are a simple, nourishing recipe you’ll come back to again and again. Whether for busy mornings or healthy snacking, they deliver flavor, texture, and convenience in every bite.

