Wake up to a jar of creamy, dreamy peanut butter banana overnight oats that basically make themselves while you sleep. Honestly, mornings have never looked this good — or tasted this close to dessert for breakfast.
I started making this banana and peanut butter overnight oats recipe on a lazy Sunday when I had a sad, spotty banana on the counter and a serious lack of motivation to cook. One bowl later, I was completely hooked. Now it’s my most-made breakfast, full stop.
Table of Contents
Why You’ll Love This Recipe
This is one of those recipes that sounds simple but genuinely delivers. You get thick, creamy oats with that natural sweetness from banana, a rich nutty depth from peanut butter, and a little warmth from cinnamon.
The Greek yogurt adds a protein punch and a subtle tang that balances everything out. It’s filling, satisfying, and honestly? It feels a little indulgent — even though it’s totally wholesome.
No cooking, no standing over a stove, no stress. Just mix, refrigerate, and wake up to breakfast already done. If you love classic vanilla overnight oats, this peanut butter twist is going to be your new obsession.

Dreamy Peanut Butter Banana Overnight Oats
Equipment
- Mixing bowl
- Jar or airtight container
- fork
- Refrigerator
Ingredients
Fresh
- ½ Medium banana mashed
- 1 Lime juiced
Wet
- 2 tablespoons Creamy peanut butter
- ¼ cup Plain nonfat Greek yogurt
- ¾ cup Unsweetened almond milk
- 1 tablespoon Honey
- 1 teaspoon Vanilla extract
Dry
- 1 cup Rolled oats
- 1 tablespoon Chia seeds
- 1 teaspoon Ground cinnamon
Instructions
- Mash the banana in a bowl or jar until mostly smooth with a few small chunks remaining.
- Add peanut butter, Greek yogurt, almond milk, honey, vanilla extract, and lime juice, then mix until smooth and well combined.
- Stir in rolled oats, chia seeds, and cinnamon until fully incorporated and evenly coated.
- Cover and refrigerate overnight (or at least 2 hours) until thickened, then serve cold.
Notes
Ingredients
Here’s everything you need. It’s a short, pantry-friendly list — no weird specialty items required.

| Category | Ingredient | Amount |
|---|---|---|
| Fresh | Medium banana, mashed | 1/2 |
| Fresh | Lime, juiced | 1 |
| Wet | Creamy peanut butter | 2 tablespoons |
| Wet | Plain nonfat Greek yogurt | 1/4 cup |
| Wet | Unsweetened almond milk | 3/4 cup |
| Wet | Honey | 1 tablespoon |
| Wet | Vanilla extract | 1 teaspoon |
| Dry | Rolled oats | 1 cup |
| Dry | Chia seeds | 1 tablespoon |
| Dry | Ground cinnamon | 1 teaspoon |
A quick note on the banana: the riper, the better. Those spotty, almost-too-ripe bananas are sweeter and mash into a silky-smooth texture that blends beautifully into the oats.
For the peanut butter, go creamy over crunchy for the smoothest result. Natural peanut butter works great — just give it a good stir before measuring.
How to Make Peanut Butter Banana Overnight Oats
The process couldn’t be simpler. You’re looking at maybe 5 minutes of actual work, and then the fridge does everything else.

Step 1: Mash the Banana
Add your half banana to a large bowl and mash it well with a fork. You want it mostly smooth with just a few small chunks for texture. The riper the banana, the easier this step gets — and the sweeter your oats will be.
Tip: Mash the banana directly in the jar or container you plan to store the oats in. Fewer dishes, same great result.
Step 2: Mix in the Wet Ingredients
To the mashed banana, add the peanut butter, Greek yogurt, almond milk, honey, vanilla extract, and lime juice. Stir everything together until it’s smooth and well combined.
Don’t skip the lime juice — it brightens the whole thing up and keeps the banana from going grey overnight. It’s a tiny detail that makes a real difference.
Step 3: Add the Dry Ingredients
Pour in the rolled oats, chia seeds, and cinnamon. Give it a good stir until everything is evenly mixed and the oats are fully coated in that creamy banana peanut butter mixture.
At this point it’ll look a little soupy — that’s completely normal. The oats and chia seeds will absorb the liquid overnight and transform into thick, creamy, spoonable perfection.
Step 4: Refrigerate Overnight
Cover your bowl or jar tightly and pop it in the fridge for at least 2 hours, but overnight is ideal. While you sleep, the oats soften, the chia seeds swell, and everything melds into one glorious, ready-to-eat breakfast.
Serve cold, straight from the fridge. No reheating needed — that’s kind of the whole point.

Expert Tips for the Best Results
Use the Right Oats
Stick with rolled oats (also called old-fashioned oats) for the best texture. Quick oats will turn mushy, and steel-cut oats won’t soften enough without cooking. Rolled oats hit that perfect sweet spot — soft but with a little chew.
Don’t Rush the Chill Time
Two hours is the minimum, but overnight is where the magic really happens. The longer the oats soak, the creamier and more cohesive everything gets. If you can, make these the night before.
Adjust the Consistency
If your overnight oats with peanut butter and banana come out thicker than you’d like, just stir in a splash of almond milk in the morning. Too thin? Add a spoonful of chia seeds and let it sit for another 15 minutes.
Taste Before Serving
Everyone’s banana sweetness varies. Give the oats a taste in the morning and adjust — a little extra honey, a pinch more cinnamon, or an extra dollop of peanut butter on top goes a long way.
Variations to Try
High-Protein Version
Want to dial up the protein? Add a scoop of vanilla or chocolate protein powder to the wet ingredients before mixing. You’ll get a thicker, more filling jar that keeps you full all morning. Check out this high-protein overnight oats guide for more ideas on boosting your macros.
Chocolate Peanut Butter Banana
Add a tablespoon of cocoa powder or a drizzle of chocolate syrup to the wet ingredients. This turns your banana and peanut butter overnight oats into something that tastes borderline indulgent — like a healthy version of a peanut butter cup. This high-protein chocolate overnight oats recipe is a great companion if you love that combo.
Blended Version
Not a fan of the texture of whole oats? Try a blended approach. Check out this blended overnight oats recipe for a totally smooth, pudding-like result that works beautifully with peanut butter and banana.
Cinnamon Roll Twist
Double down on the cinnamon and add a swirl of cream cheese or a drizzle of maple syrup on top. It gives a cozy, bakery-inspired vibe without any extra effort. If you love that flavor, this cinnamon roll protein overnight oats recipe is calling your name.
Cookie Dough Vibes
Stir in a few mini chocolate chips and swap honey for brown sugar. It gives these overnight oats banana and peanut butter combo a cookie dough feel that’s genuinely fun for a weekend breakfast. The cookie dough overnight oats recipe is a great place to get inspired.
Troubleshooting
My Oats Are Too Thick
This is the most common issue and the easiest fix. Just stir in a splash of almond milk — one or two tablespoons at a time — until you reach your preferred consistency. The oats absorb liquid at different rates depending on the brand, so a little adjustment is totally normal.
My Oats Are Too Thin
If things are more soupy than creamy, stir in an extra teaspoon of chia seeds and let the jar sit for another 15 to 20 minutes. Chia seeds are incredible thickeners — they’ll absorb the excess liquid quickly.
The Banana Flavor Is Too Subtle
Use a riper banana next time. The darker the peel, the sweeter and more pronounced the banana flavor will be in your overnight oats with banana and peanut butter. You can also mash in a few extra slices on top before serving for a fresh banana hit.
Storage Instructions
| Storage Method | Container | Duration |
|---|---|---|
| Refrigerator | Airtight jar or container | Up to 4 days |
| Freezer | Freezer-safe jar (leave headspace) | Up to 1 month |
Reheating
These oats are designed to be eaten cold, but if you prefer them warm, scoop into a microwave-safe bowl and heat in 30-second intervals, stirring between each, until warmed through. Add a splash of almond milk to loosen things up before heating.
No-Waste Kitchen Ideas
Got an overripe banana you won’t use in time? Peel and freeze it. Frozen bananas mash even more easily and work perfectly in this recipe. You can also use that leftover lime for a squeeze over avocado toast or stir into a glass of sparkling water.
If you end up with extra Greek yogurt, it’s delicious in rhubarb bread or swirled into smoothies. Nothing goes to waste.
Topping Ideas
Plain oats are great, but toppings take things to the next level. Here are some favorites:
- Sliced fresh banana
- A drizzle of extra peanut butter
- A sprinkle of granola for crunch
- Mini chocolate chips
- A pinch of flaky sea salt
- Sliced strawberries or blueberries
- A drizzle of honey
The salty-sweet combo of peanut butter and sea salt on top is genuinely life-changing. Don’t skip it if you have flaky salt on hand.
Banana and Peanut Butter Overnight Oats recipe FAQs
Can I use a different nut butter instead of peanut butter?
Absolutely. Almond butter, cashew butter, or sunflower seed butter all work wonderfully in this banana and peanut butter overnight oats recipe. Each one brings a slightly different flavor profile, but the creamy texture stays the same. Sunflower seed butter is a great nut-free option if needed.
Do I have to use almond milk?
Nope! Any milk works here — oat milk, regular dairy milk, coconut milk, or soy milk all give great results. Coconut milk makes the oats extra rich and creamy, while oat milk adds a subtle natural sweetness. Just use whatever you have on hand.
Can I meal prep multiple jars at once?
Yes, and it’s a great idea. This recipe scales up easily — just multiply the ingredients and divide into individual jars. Store in the fridge for up to 4 days for grab-and-go breakfasts all week. It’s one of the best parts of overnight oats with banana and peanut butter.
Is this recipe gluten-free?
Rolled oats are naturally gluten-free, but they’re often processed in facilities that handle wheat. If you need this to be strictly gluten-free, look for oats that are labeled certified gluten-free. The rest of the ingredients in this overnight oats with peanut butter and banana recipe are naturally gluten-free.
Can I add protein powder to this recipe?
Definitely. Stir one scoop of vanilla or unflavored protein powder into the wet ingredients before adding the oats. You may need to add a splash more almond milk to keep the consistency right. It’s an easy way to make this even more filling without changing the flavor much.
Give It a Try
There you have it — the easiest, most satisfying peanut butter banana overnight oats you’ll ever make. Five minutes of prep, zero morning effort, and a breakfast that genuinely makes getting out of bed worth it.
If you’re a fan of simple, make-ahead breakfasts, you’ll also love this high-protein overnight oats recipe or these fun cookie dough overnight oats for when you want to mix things up.
Give this recipe a try tonight and wake up to something you’ll actually look forward to eating. Then come back and drop a comment — I’d love to hear how you made it your own.
And if you loved it, please share it on Pinterest so more people can wake up to a better breakfast. It really does make someone’s morning.