5-Minute Banana Bread Overnight Oats
These banana bread overnight oats taste like a slice of warm banana bread, but you do not have to fire up the oven. Mashed ripe banana, cinnamon, and a drizzle of maple syrup turn basic oats into a creamy, spoonable breakfast that is ready when you wake up.

You stir everything together in five minutes, stash it in the fridge, and wake up to a jar of soft, fragrant oats. It feels like a real treat, but you are getting whole grains and fruit in every bite.
Why This Tastes Like Banana Bread
Ripe banana is the star. When you mash it well, it weaves through the oats the same way it would in a batter, so every spoonful carries that sweet, banana-forward flavor.
The cinnamon and vanilla do the rest. They mimic the warm spice of baked banana bread without any actual baking. A pinch of salt pulls it all together.
The texture lands somewhere between a thick smoothie and a soft pudding. The oats absorb the milk overnight and soften without turning mushy, because rolled oats hold their shape nicely.
Ingredients

- 1/2 cup rolled oats: old-fashioned oats work best; instant oats turn too soft.
- 1 ripe banana, mashed: the spottier the peel, the sweeter the base.
- 1/2 cup milk: any dairy or unsweetened plant milk.
- 1/4 cup plain yogurt: adds tang and richness, optional but nice.
- 1 tbsp maple syrup: dial it back to 1 tsp if your banana is very ripe.
- 1/2 tsp ground cinnamon: the spice that says “banana bread.”
- 1/2 tsp vanilla extract: rounds out the sweetness.
- Pinch of salt: just enough to wake up the flavors.
- 2 tbsp chopped walnuts: for topping, plus a couple banana slices if you like.
Variations / Substitutions
- Dairy-free: use oat milk and skip the yogurt, or swap in coconut yogurt.
- Nut-free: replace walnuts with pumpkin seeds or sunflower seeds.
- Extra texture: stir a spoonful of chia seeds into the base before chilling.
- Sweetener switch: honey or agave work in place of maple syrup.
- Warm version: after chilling, microwave for 30 to 45 seconds, then add toppings.
Banana Bread Cinnamon Rolls make a lovely treat to go with these overnight oats.
How to Make Banana Bread Overnight Oats
Step 1: Mash the Banana

In a medium bowl or a wide-mouth jar, mash the 1 ripe banana with a fork until mostly smooth with a few small chunks left. It takes about a minute.
The banana will release moisture right away, so do not be tempted to mash it to a completely smooth puree. Small flecks give the oats that baked-banana look.
Step 2: Mix the Base

Add the 1/2 cup rolled oats, 1/2 cup milk, 1/4 cup yogurt (if using), 1 tbsp maple syrup, 1/2 tsp cinnamon, 1/2 tsp vanilla, and a pinch of salt. Stir until everything is evenly combined, about 30 seconds.
The mixture will look thin and a little soupy now. That is fine. The oats will soak up the liquid overnight and thicken into a creamy texture.
Step 3: Chill the Oats

Scrape the mixture into a jar or container with a tight-fitting lid. Cover and refrigerate for at least 6 hours, or overnight. The oats need time to soften and absorb all the liquid.
If you remember, give it a quick stir after an hour, but it is not a dealbreaker if you forget. The fridge does the work while you sleep.
Step 4: Finish with Toppings

Take the jar out of the fridge and give the oats a stir. They will have thickened and picked up a pale banana hue. Spoon into a bowl if you prefer, then scatter the 2 tbsp chopped walnuts on top. Add a few banana slices and an extra shake of cinnamon if you like, and dig in.
The oats are meant to be eaten cold, creamy, and ready right from the jar. The walnuts stay crunchy because you add them at the last minute.
A Few Notes for the Best Overnight Oats
- A very ripe banana (lots of brown spots) gives you the sweetest base, so you can use less maple syrup.
- If you prep a double batch in one large container, divide it into jars after stirring so you have grab-and-go breakfasts.
- Stir before serving even if you did not add toppings, because the liquid can settle near the top.
- For warm oats, heat the portion after chilling in the microwave for about 45 seconds, then top and eat.
Scaling the recipe is straightforward.
| Servings | Rolled Oats | Milk | Banana | Maple Syrup |
|---|---|---|---|---|
| 1 | 1/2 cup | 1/2 cup | 1 | 1 tbsp |
| 2 | 1 cup | 1 cup | 2 | 2 tbsp |
| 4 | 2 cups | 2 cups | 4 | 4 tbsp |
Keeping Overnight Oats Fresh
- Refrigerate: The oats will stay fresh for up to 3 days in a sealed container. They thicken more each day, so add a splash of milk before eating if needed.
- Reheating: You can warm the oats in a microwave-safe bowl for 30 to 45 seconds. Stir halfway and add toppings after heating.
- Toppings timing: Keep crunchy toppings like walnuts separate and add them just before you eat, otherwise they soften in the fridge.
Frequently Asked Questions
Can I use quick oats instead of rolled oats?
No, quick oats get too soft and turn pasty. Stick with old-fashioned rolled oats for the best texture.
How can I make this dairy-free?
Use any unsweetened plant milk, like oat or almond, and either skip the yogurt or use a dairy-free yogurt. The oats will still be creamy.
How ripe should the banana be?
Look for a banana with plenty of brown spots. That means the starch has converted to sugar, so the oats will taste naturally sweet.
Can I put the toppings in the night before?
Walnuts added at night will lose their crunch, so add them in the morning. Banana slices can brown, so fresh slices look best.
Do I have to eat it cold?
No, you can warm the oats in the microwave for 30 to 45 seconds after chilling. The banana flavor will be a bit softer, but still good.

Banana Bread Overnight Oats Recipe
Ingredients
Method
- In a bowl or jar, mash the banana with a fork until mostly smooth.
- Add the oats, milk, yogurt, maple syrup, cinnamon, vanilla, and salt. Stir until combined.
- Cover and refrigerate for at least 6 hours, or overnight.
- Stir the chilled oats, top with walnuts and optional banana slices, and serve.
