Blueberry banana baked oatmeal is a healthy and delicious meal-prep breakfast. Filled with wholesome ingredients, sweetened with banana and studded with blueberries, this is a great breakfast that almost tastes like dessert! Gluten-free and vegan adaptable.

This baked blueberry and banana oatmeal is a delicious make ahead breakfast that is great for meal-prep. The baked oats will last for days in the fridge, and can also be frozen to last longer. Another baked oats recipe that’s also great for meal-prep is this Carrot cake baked oatmeal or this Banana bread baked oats.
Baking oatmeal gives them a wonderful, almost cake like texture. Like having a healthy dessert, for breakfast!
More tasty baked oats recipes to try are these Apple pie baked oats, Chocolate Baked Oats or Strawberry vegan baked oatmeal.
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Ingredients
Baked banana and blueberry oatmeal is fast and easy to make. All that is needed are a few basic ingredients. The perfect meal-prep for the whole week!
For the full ingredient measurements, scroll down to view the recipe card at the bottom of the page.
- Rolled oats, or old fashion oats. They will taste the best when baked, they hold their shape and create a great texture.
- Flaxseed and Chia seeds, adding a combination of these seeds will add extra nutrients and it will also help with the texture of the banana blueberry baked oats since this recipe is egg free. These seeds are high in fibre, antioxidants and protein.
- Baking powder, just a little to give this baked oatmeal more of a cake like texture.
- Cinnamon, some warming cinnamon spice adds so much flavor.
- Salt, a little salt really helps bring out all the flavours.
- Almond milk, or other milk of choice. For a vegan oatmeal, use a plant based alternative.
- Bananas, use very ripe bananas with dark spots for the best texture and added sweetness.
- Maple syrup, or other liquid sweetener like agave or honey for non vegan. Brown sugar or coconut sugar can also be used.
- Vanilla extract, a little vanilla ads a lot of flavor to this banana blueberry oatmeal bake.
- Walnuts, roughly chopped. Gives this baked oatmeal a great crunch and flavor. Other nuts like almonds or pecans can also be used. They can also be left out for a nut free dish.
- Blueberries, use fresh or frozen. No need to defrost them if you go with frozen berries, just add them to the oatmeal before baking.
Toppings (optional)
- Vanilla yoghurt, or other thick yoghurt of choice.
- Maple syrup, to taste
- Banana slices
- Blueberries
- Chopped walnuts
See recipe card for quantities.
Instructions
Making this baked banana blueberry oatmeal recipe is both fast and easy. Follow along with the step-by-step photos below. For the full instructions see the recipe card at the bottom.
Jump to Recipe- Step 1: Add the bananas to a mixing bowl and mash well until creamy.
- Step 2: Pour in the milk, maple syrup and vanilla extract, stir well to combine.
- Step 3: Add the rolled oats, flaxseed, chia seeds, baking powder, cinnamon, and salt and stir well.
- Step 4: Add the blueberries and chopped nuts. If using frozen blueberries, do not defrost them first.
Step 5: Fold in the blueberries and chopped nuts.
Step 6: Add to the baking dish and top with some extra banana slices and blueberries if desired. Bake until set and golden brown.
Hint: When the baked blueberry and banana oatmeal comes out of the oven, let it cool down for a few minutes in the baking dish. Then cut into 9 pieces and serve warm as is, or with some of the suggested toppings.
Substitutions and Variations
- Nuts – this baked oatmeal recipe uses walnuts, but any nut of your choice works! For allergies, leave the nuts out or use sunflower or pumpkin seeds.
- Berries – This recipe uses blueberries that are either fresh or frozen. The blueberries can also be replaced with a mix of berries, or your favorite, like raspberries or strawberries. If using strawberries, I recommend cutting them in smaller pieces. Also see this Strawberry vegan baked oatmeal.
- Protein – for added protein, mix in 2 tablespoons of your favourite protein powder into the oatmeal. Some great flavours to use are vanilla or berry flavor.
- Gluten-free – Although oats are naturally gluten-free, they can contain traces of gluten. To ensure gluten-free baked oats, use only certified gluten-free oats. They can usually be found in the glute-free section of the grocery store.
- Sweetener – This banana and blueberry baked oatmeal is not overly sweet. Most of the sweetness comes from the very ripe bananas and just a little added maple syrup. Other liquid sweetener or brown sugar can also be used. If you like a sweeter dish, taste the oatmeal before baking and add more sweetener to taste, or top the baked oatmeal with a drizzle of maple syrup.
- Vegan – for a vegan baked oatmeal recipe, use a plant based milk like almond milk, soy milk or oat milk. If topping with yoghurt, ensure it is plant based.
For more baked oatmeal recipes check out these delicious Apple pie baked oats or this Carrot cake baked oatmeal.
Storage
These baked oats make a great meal prep for the week. When it has cooled down, cut into pieces and place in an airtight container or ziplock bag. Store in the fridge without the toppings, for up to 4 days.
You can also freeze the baked oats for up to 3 months. The easiest way is to divide the cut pieces with some parchment paper, and then place in a freezer friendly ziplock bag or airtight container. This way, the pieces won’t stick together when frozen and you can easy to take out a single serving. Let the baked banana blueberry bread oatmeal defrost in room temperature. Serve cold, or reheat this in the microwave. Serve with some vanilla yoghurt and toppings of choice.
Top Tip
Use very ripe bananas for this recipe for best taste and texture. They are sweet and get a creamy consistency when mashed.
If using frozen blueberries, no need to defrost them before adding to this recipe. Frozen berries can sometimes be a little tart, taste the oatmeal mixture before baking and add more sweetener if desired.
FAQ
Serve a slice of baked oatmeal warm or room temperature. Some great toppings are: Yoghurt, maple syrup, berries or fruit and some chopped nuts for a little crunch. Use your favourites!
Yes! Baked oatmeal makes a great meal-prep and can be frozen for up to 3 months.
The easiest way is to add some of your favorite protein powder. Other good options are to serve the baked oatmeal with some peanut butter or protein yoghurt.
Oatmeal recipes
Looking for other recipes like this blueberry banana baked oatmeal? Try these:
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Blueberry banana baked oatmeal is a healthy and delicious meal-prep breakfast. Filled with wholesome ingredients, sweetened with banana and studded with blueberries, this is a great breakfast that almost tastes like dessert! Gluten-free and vegan adaptable.
- 2 very ripe bananas (1 cup mashed)
- 1 ½ cup almond milk, unsweetened
- ¼ cup maple syrup
- 2 teaspoon vanilla extract
- 2 cups rolled oats
- 2 tablespoon flaxseed
- 2 tablespoon chia seeds
- 1 teaspoon baking powder
- 2 teaspoons cinnamon
- ¼ tsp. salt
- ½ cup walnuts, roughly chopped
- 1 cup blueberries, fresh or frozen
- 1 cup vanilla yoghurt
- Banana slices
- Blueberries
- maple syrup to taste
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Preheat the oven to 375F (190C) and lightly grease an 8×8 (20×20 cm) baking dish.
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Add the bananas to a mixing bowl and mash well until creamy. Stir in the almond milk, maple syrup and vanilla.
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To the mixing bowl, add the rolled oats, flaxseed, chia seeds, baking powder, cinnamon, and salt.
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Fold in the walnuts and blueberries, pour the mixture into the prepared baking dish. Spread to an even layer and top with some extra banana slices or blueberries if desired.
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Bake the oatmeal for 40-45 minutes, or until lightly golden brown and set.
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Let it cool down for a few minutes before cutting into pieces and serving with a little yoghurt, berries and a drizzle of maple syrup.
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