Banana Bread Overnight Oats (Easy High-Protein Recipe)

Name: Banana Bread Overnight Oats
Prep time: 5 min
Total time: 245 min
Ingredients: 2½ cups rolled oats; 2½ cups milk (regular or almond milk); 3 medium bananas (ripe and mashed); 1¼ cups Greek yogurt; 5 tbsp chia seeds; 3-4 tbsp maple syrup (or monkfruit sweetener); 2½ tsp cinnamon; ½ tsp nutmeg; 2½ tsp vanilla extract; Pinch of sea salt; ½ cup chopped walnuts or pecans (optional)

Jump to Recipe Jump to Video Print Recipe

Banana bread overnight oats are for the mornings when you want banana bread flavor without baking a loaf before 8 a.m. These overnight oats are creamy, cozy, and naturally sweet from a ripe mashed banana, like a spoonable breakfast version of your favorite quick bread. I have been making these on repeat for myself and the kids, and they always disappear from the fridge way too fast.

You can prep them in less than 5 minutes, stash them in the fridge, and have a nourishing, high-fiber, high-protein breakfast ready to go. They are thick, spiced like banana bread, and honestly taste like dessert, but made with ingredients that actually feel good. This banana bread overnight oats recipe also takes so well to swaps, so you can make it your own with whatever you have on hand. If you love a good overnight oats recipe, this one belongs in your rotation.

Why You’ll Love These Banana Bread Overnight Oats

Taste just like banana bread, with warm cinnamon and real mashed banana.
High in protein and fiber, so they hold you over all morning.
No cooking required, just stir, chill, and grab from the fridge.
Made for meal prep, a whole week of breakfast in 5 minutes.
Naturally sweetened with maple syrup or honey.
Kid friendly and adult approved.

What Makes These Taste Like Banana Bread

A few simple things give these overnight oats that real banana bread flavor.

Ripe mashed banana is the heart of it. The riper the banana, the sweeter and more banana-bread-like the oats taste, so reach for the ones with brown spots.
Cinnamon and a little nutmeg bring that warm, cozy, spiced quick-bread flavor.
Vanilla rounds everything out and makes it taste more like a baked treat.
Chopped walnuts or pecans add the nutty crunch you expect from a slice of banana bread.

Ingredients You’ll Need

Rolled oats. The base. Old-fashioned rolled oats soak up the liquid and go perfectly creamy overnight. Skip quick oats, which turn mushy, and steel-cut oats, which stay too firm for this oatmeal.
Milk of choice. Softens the oats as they sit. Dairy, oat, or unsweetened vanilla almond milk all work beautifully.
Ripe mashed banana. Natural sweetness and that signature banana bread flavor. Use very ripe, spotty bananas.
Greek yogurt. Adds protein and makes the oats extra thick and creamy.
Chia seeds. Thicken the mixture, add fiber and healthy fats, and help everything set.
Maple syrup or honey. Just enough sweetener to round out the banana without making it dessert-sweet.
Cinnamon and nutmeg. The warm spices that make it taste like banana bread.
Vanilla and a pinch of salt. Balance and depth.
Chopped walnuts or pecans. Optional, but they add that classic banana bread crunch. Add them in the morning so they stay crisp.

Ingredient Swaps and Variations

No Greek yogurt? Use a dairy-free yogurt or just an extra splash of milk for a thinner texture.
Want it sweeter? Add a full tablespoon of maple syrup or honey, or a sprinkle of coconut sugar.
Need more protein? Add a scoop of vanilla or unflavored protein powder and a little more milk to thin it.
Nut-free? Skip the nuts or use sunflower seed butter.
Gluten-free? Use certified gluten-free rolled oats.
Topping ideas: sliced banana, a drizzle of nut butter, extra walnuts, or a few chocolate chips.

How to Make This Recipe

Step 1: Mash the bananas. In a large bowl, mash the ripe bananas until mostly smooth.

Step 2: Mix everything. Add the rolled oats, milk, Greek yogurt, chia seeds, maple syrup or honey, cinnamon, nutmeg, vanilla, and salt. Stir until the oat mixture is evenly combined.

Step 3: Portion and chill. Divide the mixture evenly into jars or meal prep containers. Cover and refrigerate overnight, or at least 4 hours, until thick and creamy.

Step 4: Top and eat. In the morning, stir, then add chopped walnuts or pecans and any other toppings so they stay crunchy.

Recipe Tips

Use a super ripe banana for the best banana bread flavor. Brown spots are your friend.
Adjust the thickness. For thicker oats, use a little less milk. For thinner, add a splash more.
Add toppings in the morning, especially nuts, so they stay crunchy.
Want them warm? Microwave a portion with a splash of milk for a cozy, just-baked taste.
Make it fun by stirring in a few mini chocolate chips or raisins.

Storage and Meal Prep

These are built for meal prep. Make a big batch in one bowl and portion it into jars for the whole week.

Not freezer-friendly, but they are quick enough to prep fresh each week.

Spoon into a mason jar or airtight container.

Store in the fridge for up to 4 days.

Stir well before eating if it separates.

frequently asked questions

Are banana bread overnight oats healthy?

Yes, in the sense that they are balanced and made from whole ingredients. This overnight oats recipe is built on rolled oats, banana, Greek yogurt, and chia seeds, so you get fiber, protein, and lasting energy instead of just sugar. They are filling enough to keep you satisfied, which makes them a great everyday breakfast.

Is it okay to put bananas in overnight oats?

Absolutely. Mashed banana is what gives these their banana bread flavor and natural sweetness. Mash it right into the oat mixture so it blends through every bite.

Will the banana turn brown in overnight oats?

Mashed banana mixed into the oats holds up well for a few days because it is coated in yogurt and milk. If you are adding sliced banana on top, add it the morning you eat it so it stays fresh.

What is the best fruit to put in overnight oats?

Banana is the star here, but berries, diced apple, or chopped dates all work well in overnight oats if you want to mix it up. My blueberry muffin overnight oats are a great berry-forward option if banana is not your thing.

What are common mistakes to avoid with overnight oats?

The big ones are using quick oats (they get mushy), forgetting to add enough liquid, and skipping the chill time. Use rolled oats, keep the oat to liquid ratio balanced, and give them a full night in the fridge.

More Overnight Oats Recipes

did you make this recipe?

Please leave a star rating and comment below!

For more recipe inspiration, tag @wholesomelymorgan on Instagram! #wholesomelymorgan

I keep this recipe on repeat! It’s so good and high protein. I love that it makes enough to meal prep all week, keeps me full until lunch and I never get tired of it. One of my favorite breakfasts to date!

Banana Bread Overnight Oats