These healthy Blueberry banana overnight oats are filled with wholesome ingredients, sweetened with banana and studded with blueberries. They make a healthy and delicious meal-prep breakfast or snack. Gluten-free and vegan adaptable.

This healthy blueberry banana overnight oats recipe is loaded with flavor from just a few simple ingredients. It can be made any time of year using frozen blueberries, which just makes the color even more vibrant! Just like in these Blueberry overnight oats or this Blueberry chia pudding recipe. Fresh blueberries also tastes great when in season.
For more banana and blueberry recipes, they this Blueberry banana baked oatmeal or these Banana blueberry oatmeal muffins.
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Ingredients
Making these blueberry and banana overnight oats is fast end easy. All you need are a few, basic ingredients listed below. For the full written recipe with the ingredient measurements, scroll down to view the recipe card at the bottom of the page.
Jump to Recipe- Banana, very ripe with some brown spots for a sweeter and creamier overnight oats.
- Blueberries, fresh or frozen. If using frozen blueberries, you can add them still frozen to the overnight oats recipe.
- Almond milk, or milk of choice. To keep this overnight oats recipe vegan, use a plant based milk alternative like soy milk or oat milk.
- Maple syrup, or other liquid sweetener or brown sugar to taste depending on how sweet you like your overnight oats.
- Vanilla extract, for a wonderful hint of vanilla.
- Rolled oats, or old fashion oats for texture and a little bite to this recipe. Use certified gluten-free oats if needed.
- Chia seeds, they are high in fibre, antioxidants, protein and help create creamy texture to this blueberry muffin overnight oats recipe.
- Cinnamon, a hint of warming cinnamon goes so well with the banana and blueberries.
- Salt, just a little to balance the flavours.
- Topping: Greek style yoghurt, fresh blueberries and banana slices.
See recipe card for quantities.
Jump to RecipeInstructions
These overnight oats with blueberry and banana are fast and easy to make, perfect for meal prep!
Follow along with the with the step-by-step photos below. For the full written instructions, see the recipe card at the bottom.
- Step 1: Mash the banana in a mixing bowl until smooth and creamy.
- Step 2: Add the milk, maple syrup and vanilla extract and stir well.
- Step 3: Add the oats, chia seeds, cinnamon and salt and stir very well to prevent lumps forming from the chia seeds.
- Step 4: Fold in the blueberries and taste the oat mixture and add more maple syrup is desired.
Step 5: Cover and place in the fridge overnight or for at least 4 hours.
Step 6: After at least 4 hours the overnight oats have thickened to a creamy consistency. Give it a good stir and place in two glasses. Top with some yoghurt, a few sliced of banana and some blueberries if desired.
Hint: In this recipe I used frozen blueberries so the overnight oats got a purple color when the juices from the defrosted blueberries mixed in.
If you like a crunchy topping, add some granola. Try a homemade granola like this Healthy Salted Caramel Granola or this Air Fryer Granola.
Substitutions and Variations
- Gluten-free – Oats are naturally gluten-free, but can contain traces of gluten. To ensure this blueberry and banana overnight oat recipe is gluten-free, use a certified gluten-free oats brand. That can normally be found in the gluten-free section of the grocery store.
- Extra protein – Stir in 1 tablespoon vanilla protein powder for a protein packed overnight oats recipe.
- Blueberries – This recipe will get a slight purple colour when using frozen blueberries. For a deeper color and flavor, mash half of the blueberries before adding to the overnight oats mixture. Fresh blueberries also works great!
- Banana – The riper the better for a sweet taste and creamy consistency. If you don’t want to add banana, substitute with ½ cup of apple sauce or try this Blueberry overnight oats recipe, made without banana.
- Nuts – Mix in some chopped nuts for some crunchy texture, great taste and added protein. Use any nuts of choice, some good options are chopped walnuts, pecans or almonds. For allergies, use sunflower or pumpkin seeds.
- Sweetness – Depending on the ripeness and sweetness of the banana, stir in a little extra maple syrup to these overnight oats if desired. Other options are agave syrup, brown sugar or coconut sugar. Honey can also be used for a non vegan breakfast.
- Vegan – For vegan overnight oats, make sure to use a plant-based milk for the oat mixture and a vegan yoghurt for topping.
- Nut butter – Stir in, or top with a little creamy nut butter for some extra protein and nutty flavour. Use store bough or homemade like this delicious Pecan Almond Butter.
Some more healthy breakfasts to try, are these Blueberry banana baked oatmeal or these creamy Banana Chocolate Overnight Oats or this wonderful Overnight oats with frozen fruit.
Storage
This healthy blueberry and banana overnight oats can be stored in an airtight container for up to 5 days in the fridge. Another option is to double the recipe and pack up 4 portions in individual containers for a healthy grab and go breakfast or snack. That’s why it makes a great meal-prep breakfast or snack!
The rolled oats will continue to soak up liquid as they sit, that’s why the overnight oats will have thicker consistency after a few days in the fridge. If needed, stir in a little milk before serving.
I do no recommend freezing overnight oats since that will affect the texture.
Top Tip
For the best result, use a very ripe bananas for best taste and texture. When ripe the banana is a lot sweeter and will give these overnight oats a creamy texture.
If using frozen blueberries, no need to defrost them before adding to this recipe. The blueberries will slowly defrost in the fridge overnight and will give the oats a slight purple color.
FAQ
Yes, after soaking overnight they can be heated up in the microwave until piping hot. Enjoy with your favourite toppings and a little extra milk.
The chia seeds will create a thicker, creamy texture to your overnight oats as well as adding some vitamins and fibre to your breakfast.
Yes! The overnight oats needs to be stirred well before going in the fridge overnight for all the ingredients and flavours to blend. This recipe also has chia seeds added, and needs to be stirred well or lumps can form.
These healthy Blueberry banana overnight oats are filled with wholesome ingredients, sweetened with banana and studded with blueberries. They make a great healthy and delicious meal-prep breakfast or snack. Gluten-free and vegan adaptable.
- 1 banana, very ripe
- 1 ½ cups almond milk, or milk of choice
- 1-2 tablespoon maple syrup, or to taste
- 1 teaspoon vanilla extract
- 1 cup (100g) rolled oats
- 1-2 tablespoons chia seeds (use 2 tablespoon for a thicker and creamier texture)
- ½ teaspoon cinnamon
- pinch of salt
- 1 cup blueberries, fresh or frozen
- yoghurt of choice
- banana slices
- blueberries
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In a mixing bowl, add the banana and mash well until creamy. Add the maple syrup, vanilla extract and the milk and stir until everything is combined.
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Add the oats, chia seeds, cinnamon and a pinch of salt. Stir well a few times to prevent lumps forming from the chia seeds. Fold in the blueberries.
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Taste the oat mixture and add more maple syrup is desired. Cover and place in the fridge overnight or for at least 4 hours.
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To serve, fill two glasses and top with some yoghurt, a few sliced of banana and some blueberries if desired.
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