Blueberry Banana Baked Oatmeal

Name: Baked Oatmeal with Blueberries and Bananas Recipe
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Ingredients: 2 bananas (sliced); 2 cups blueberries; 1/4 cup honey; 1 cup old fashioned oats (uncooked); 1/4 cup walnuts (or pecans); 1/2 tsp baking powder; 3/4 tsp ground cinnamon; 1 cup milk; 1 large egg; 1 tsp vanilla extract

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This Blueberry Banana Baked Oatmeal recipe is the perfect healthy breakfast-packed with fruit, oats, and natural sweetness for a delicious and satisfying start to your day.

Blueberry banana baked oatmeal in glass baking dish fresh from the oven.

I don't know about you, but I'd much rather start my day with a healthy breakfast than something loaded with sugar that leaves me feeling sluggish. Don't get me wrong-I've got a sweet tooth and love cinnamon roll easy coffee cake, ooey gooey cinnamon rolls, and muffins-but this blueberry banana baked oatmeal is my go-to. It's hearty, naturally sweetened, and full of flavor. Pair it with a breakfast egg scramble, Greek yogurt, and a hot cup of coffee, and you've got the ultimate make-ahead breakfast. This banana oatmeal bake is also perfect for hosting brunch or prepping for busy weekdays. Quick, easy, and always a crowd-pleaser!

Ingredient Notes

This Blueberry Banana Oatmeal comes together with only a handful of pantry staple ingredients. Scroll to the recipe card below for full amounts and directions.

Bananas– Instead of mashing, this recipe layers sliced bananas on the bottom for extra texture and natural sweetness in your banana oatmeal bake.
Blueberries– Fresh or frozen blueberries work well in this baked oatmeal with fruit.
Honey– Naturally sweetens the oatmeal. You can also use maple syrup for variation.
Old-Fashioned Rolled Oats– For the best texture. Use gluten-free oats if needed for a gluten-free baked oatmeal.
Nuts– Chopped walnuts or pecans add crunch.
Baking Powder– Gives the oatmeal a light, fluffy texture.
Cinnamon– Adds cozy, warm spice throughout the dish.
Milk– Any kind works: dairy, almond, oat, or soy. Perfect if you’re making it dairy-free.
Egg– Helps bind the ingredients together in this banana blueberry oatmeal.
Vanilla Extract– opt for pure vanilla extract for most flavor.

Variations & Substitutions

Make this baked oatmeal with fruit your own:

Fruit Swaps - Try strawberries, raspberries, blackberries, chopped apples, or peaches for a new take on this baked oatmeal with fruit.
Use maple syrup instead of honey
Oats - Old-fashioned oats give the best texture, but quick oats can work in a pinch.
Go gluten-free - Just grab certified gluten-free oats
Make it dairy-free - Use almond milk, oat milk, or soy milk
Add nut butter - Drizzle peanut butter or almond butter on top
Toss in seeds - Chia seeds or pumpkin seeds add extra nutrients and crunch.

How to make Blueberry Banana Baked Oatmeal

This easy breakfast meal prep recipe comes together in minutes!

banana slices layering the bottom of a baking dish.

Step 1. Preheat your oven to 375°F and grease an 8×8 baking dish. Layer banana slices on the bottom of the dish.

cinnamon covered blueberries in a baking dish.

Step 2. Sprinkle on half the blueberries, ¼ teaspoon cinnamon, and 1 tablespoon honey. Cover with foil and bake for 15 minutes.

dry ingredients for baked oatmeal combined in a mixing bowl.

Step 3. In one bowl, mix oats, half the nuts, baking powder, and remaining cinnamon.

milk, egg, honey, and vanilla combined in a glass bowl.

Step 4. In another bowl, whisk together milk, egg, remaining honey, and vanilla.

a homemade oat mixture in a glass baking dish.

Step 5. Once bananas are soft, spread the oat mixture on top.

Step 6. Pour milk mixture evenly over the oats. Top with remaining blueberries and nuts.

blueberry banana baked oatmeal ready to serve.

Step 7. Bake uncovered for 30 minutes, until golden and set.

blueberry banana baked oatmeal in small white serving dishes.

Step 8. Cool slightly and serve!

Storage & Meal Prep Tips

This make ahead breakfast is perfect for busy mornings!

Refrigerate: Store cooled leftovers in an airtight container for up to 4 days.
Freeze: Wrap individual portions and freeze for up to 3 months. Allow to thaw in the fridge the night before so it's ready to go in the morning!
Reheat: Microwave a slice for 45-60 seconds until warm.
Meal Prep: Make the recipe as directed, let cool, then slice and store in portions for grab-and-go breakfasts! When ready to enjoy, simply reheat each serving in the microwave for 30 seconds to 1 minute!