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Your New Favorite Morning Ritual: Peanut Butter Banana Overnight Oats

Hey there, friend! Let’s talk about mornings. Specifically, those mornings where the alarm clock feels like a personal enemy, the to-do list is a mile long, and the idea of standing over a stove to make a healthy breakfast feels… well, impossible. We’ve all been there. The siren call of the drive-thru or a sad, skipped meal is real. But what if I told you that the solution to the most chaotic of mornings is waiting for you in your fridge, prepped the night before, and tastes like a decadent dessert?

I’m so excited to share with you my absolute go-to, never-fail, can’t-live-without-it recipe: Peanut Butter Banana Overnight Oats. This isn’t just any breakfast; it’s a creamy, dreamy, no-cook jar of joy that will completely transform your A.M. routine. Imagine the best parts of a slice of warm peanut butter banana bread, but in a cool, spoonable, incredibly satisfying form. It’s packed with lasting energy from fiber, plant-based protein, and heart-healthy fats to keep you fueled and focused until lunch.

Best of all, it’s embarrassingly easy. We’re talking five minutes of active time, friends. Five minutes! That’s less time than it takes to find your missing car keys. So, whether you’re a busy parent, a student rushing to class, or someone who just values their sleep (no judgment here!), this recipe is your new best friend. Let’s dive in and get those jars ready for a tomorrow that starts with a win.

A Story in Every Jar: Grandma’s Kitchen & My Dorm Room

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Peanut Butter Banana Overnight Oats

Creamy, nutty, and naturally sweet—this breakfast is like eating peanut butter banana bread in a jar. Packed with fiber, plant-based protein, and heart-healthy fats, it’s perfect for busy mornings, post-workout fuel, or a make-ahead snack.

  • Author: annareynolds
  • Prep Time: 5 mins
  • chill time: 4+ hours
  • Total Time: 5 mins active
  • Yield: 2 servings 1x

Ingredients

Scale

2 ripe bananas, mashed

4 tbsp creamy peanut butter (or almond butter for a twist)

2 cups rolled oats

3 cups plant-based milk (almond, oat, or soy)

4 tbsp chia seeds

1 tsp vanilla extract

1 tsp ground cinnamon

4 tbsp maple syrup or agave nectar (adjust to taste)

Optional Flavor Boosters:

Add 12 tbsp cocoa powder for a chocolate PB-banana version

Stir in 12 scoops of vanilla or chocolate protein powder

Mix in ½ tsp sea salt to balance the sweetness

Swirl in 2 tbsp Greek yogurt for extra creaminess (non-dairy or regular)

Top with sliced banana, crushed peanuts, cacao nibs, or a drizzle of melted peanut butter

Instructions

In a large bowl, mash bananas until smooth.

Add peanut butter, oats, milk, chia seeds, vanilla, cinnamon, and sweetener. Stir until well combined.

Divide into jars or containers and refrigerate for at least 4 hours or overnight.

Stir before serving and top as desired.

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This recipe, for me, is a beautiful mash-up of nostalgia and necessity. It all starts with my grandma, whose kitchen always smelled of two things: freshly brewed coffee and her famous peanut butter banana bread baking in the oven. That warm, comforting aroma is a core memory for me. It meant love, care, and a really delicious snack.

Fast forward to my college years, living in a tiny dorm room with a strict “no oven” policy. I missed that taste of home desperately. One day, experimenting with my mini-fridge and a desperate need for an easy breakfast before an 8 a.m. lecture, I tried mashing a banana into some oats and milk. I swirled in a big spoonful of peanut butter—my grandma’s favorite brand, of course—and let it sit overnight. The next morning, I took that first bite and was instantly transported. It wasn’t warm banana bread, but it was something new and wonderful: cool, creamy, and packed with all those familiar, comforting flavors. It was my little piece of home, made in a jar. That humble dorm-room experiment evolved into the foolproof, beloved recipe I’m sharing with you today.

Gathering Your Magical Ingredients

Part of the beauty of this recipe is its simplicity. You likely have most of these pantry staples on hand right now! Here’s what you’ll need for two generous servings (because you deserve it, and maybe you can share).

  • 2 ripe bananas, mashed – The spottier, the better! Super ripe bananas are naturally sweeter and mash into a beautifully smooth, creamy base. This is our natural sweetener and the star of the “banana bread” flavor. No ripe bananas? You can use ½ cup of unsweetened applesauce in a pinch!
  • 4 tbsp creamy peanut butter – I’m a classic creamy peanut butter girl, but feel free to use crunchy for a little textural surprise! The key here is to look for natural peanut butter without added sugars or oils for the cleanest flavor. Chef’s Insight: If you’re using natural peanut butter that tends to separate, give it a really good stir before measuring! For a twist, almond butter or sunflower seed butter work wonderfully.
  • 2 cups rolled oats – Also called old-fashioned oats. These are essential! They hold their shape beautifully and provide that perfect, hearty chew. Please avoid using quick oats or instant oats—they’ll get far too mushy and absorb too much liquid, leaving you with a paste-like texture.
  • 3 cups plant-based milk – I love almond or oat milk for their neutral, slightly sweet flavor, but any milk you love will work perfectly—soy, cashew, or even dairy milk if that’s your preference.
  • 4 tbsp chia seeds – These tiny powerhouses are our secret weapon! They plump up and act as a natural thickener, creating that incredible, pudding-like consistency. They’re also packed with omega-3s and fiber.
  • 1 tsp vanilla extract – A non-negotiable for that warm, baked-good depth of flavor. Pure vanilla extract is always my first choice.
  • 1 tsp ground cinnamon – This warm spice is the soulmate of banana and peanut butter. It adds a cozy, aromatic touch that makes this feel like a true treat.
  • 4 tbsp maple syrup or agave nectar – This is your sweetener, and you should absolutely adjust it to your taste! Start with 2 tablespoons, taste the mixture, and add more if you like it sweeter. Remember, our bananas are already adding natural sweetness.

Let’s Make Some Magic: Step-by-Step Instructions

Ready to assemble your future breakfast? Grab a medium-sized mixing bowl, a spoon, and two airtight jars or containers (I love using 16-ounce mason jars—they’re the perfect size and so cute!).

Step 1: The Banana Base
First, peel those beautiful spotty bananas and add them to your bowl. Now, get mashing! You can use a fork, a potato masher, or even the back of a sturdy spoon. You want them to be mostly smooth with just a few small lumps for texture. This mashed banana is going to be the glue that holds our delicious concoction together and gives every single bite that fantastic banana flavor. Chef’s Hack: If your bananas aren’t quite ripe enough, pop them in the microwave for 20-30 seconds to soften them up and make them easier to mash and sweeter!

Step 2: The Big Stir
Now for the fun part—adding everything else! To the mashed banana, add the peanut butter, rolled oats, plant-based milk, chia seeds, vanilla extract, cinnamon, and your chosen sweetener. Here’s my pro tip: add the peanut butter in dollops around the bowl rather than in one big glop. This makes it infinitely easier to stir and incorporate evenly without getting clumps of PB stuck to your spoon.

Step 3: Mix With Love
Now, take your spoon and stir everything together. Really get in there and make sure all the dry oats are submerged in the liquid and that the peanut butter is fully swirled in. You’ll notice it looks quite liquidy at first—don’t panic! This is exactly what we want. The oats and chia seeds need all that liquid to plump up and work their magic in the fridge. Keep stirring for a good minute until you see no more dry patches or clumps.

Step 4: Jar It Up & Patience is a Virtue
Divide the mixture evenly between your two jars. Screw the lids on tightly and pop them in the refrigerator. Now, the hardest part: you have to wait! Let them chill for at least 4 hours, but ideally overnight (hence the name!). This waiting period is non-negotiable—it’s when the transformation happens. The oats soften, the chia seeds gelatinize, and all the flavors meld together into breakfast perfection.

Step 5: The Grand Finale
In the morning, take your jar out of the fridge. Give it a good stir—you’ll see the texture is now thick, creamy, and perfect. This is where you get to personalize your masterpiece with your favorite toppings. Add a splash of milk if you prefer a looser consistency. Then, grab a spoon and dig in to the best, most prepared version of your morning self!

How to Serve Your Masterpiece

The beauty of these oats is that they are a grab-and-go dream! I often eat mine straight from the jar with a long spoon. For a prettier presentation, especially if you’re serving it to guests or making it for a special weekend brunch, transfer it to a bowl. Top it artfully with a few thin slices of fresh banana, a drizzle of melted peanut butter, a sprinkle of crushed peanuts for crunch, and a few dark chocolate chips or cacao nibs if you’re feeling fancy. That contrast of cool, creamy oats with crunchy, rich toppings is absolutely divine.

Make It Your Own: Delicious Variations

This recipe is a fantastic canvas for your creativity! Here are a few of my favorite twists:

  • Chocolate Lover’s Dream: Stir in 1-2 tablespoons of unsweetened cocoa powder or cacao powder into the mixture before refrigerating. It’s like a healthy chocolate peanut butter cup pudding!
  • Protein Power-Up: For a post-workout boost, mix in 1-2 scoops of your favorite vanilla or chocolate protein powder. You might need to add an extra splash of milk to compensate for the added dry ingredients.
  • Salty-Sweet Bliss: Add ½ a teaspoon of flaky sea salt to the mix. It sounds counterintuitive, but it makes the peanut butter and banana flavors pop incredibly!
  • Extra Creamy Version: For a tangy, super-creamy twist, swirl in 2 tablespoons of Greek yogurt (dairy or non-dairy) after the oats have set.
  • Berry Delicious: In the morning, layer your oats with fresh berries or a swirl of berry compote for a PB&J vibe.

Anna’s Chef Notes & Kitchen Stories

This recipe has been my loyal companion for years, and it’s evolved in so many ways. I’ve made it in bulk for a family camping trip, packed it for early morning flights, and it’s the breakfast I make for my daughter at least three times a week (her current favorite topping is rainbow sprinkles—whatever works!).

One of my favorite kitchen fails turned into a win with this recipe. I once accidentally bought salted caramel peanut butter and used it without thinking. The result was almost *too* sweet, but my husband declared it the best batch I’d ever made. So now, I’ll occasionally add a tiny pinch of salt to the mix in his jar. It’s a reminder that sometimes the best recipes come from happy accidents and listening to what your taste buds (and your family) tell you!

Your Questions, Answered!

Q: My overnight oats turned out too thick! How can I fix them?

A: No problem at all! This is the most common “issue” and it’s a super easy fix. Just stir in a splash of your chosen milk (or even a little water) until it reaches your preferred consistency. The oats continue to absorb liquid, so you’ll often need to add a bit more liquid in the morning.

Q: Can I make a bigger batch for the whole week?

A: Absolutely! This recipe doubles (or even triples) beautifully. I find they keep perfectly for up to 4-5 days in the fridge, making them ideal for weekly meal prep. Just portion them into individual containers for the ultimate grab-and-go convenience.

Q: Why can’t I use quick oats?

A: You can in a real pinch, but I don’t recommend it. Quick oats are cut smaller and pre-steamed, so they absorb liquid much faster and break down more. This will give you a much softer, almost mushy texture rather than the pleasing, hearty chew that rolled oats provide. Trust me, rolled oats are worth it for the perfect bite!

Q: Are overnight oats eaten cold? Can I heat them up?

A: They are traditionally eaten cold, straight from the fridge. But I know not everyone is a fan of cold breakfasts! You can absolutely warm them up. Gently heat them in the microwave for 60-90 seconds, stirring halfway through. It becomes warm, comforting, and even more like a bowl of classic cooked oatmeal—just with that amazing peanut butter banana flavor!

Nutritional Information*

*This is an estimate for one serving (half of the recipe) without optional toppings, calculated using almond milk and maple syrup. Values will vary based on your specific ingredients and brands.

  • Calories: 420
  • Protein: 13g
  • Fat: 17g
  • Carbohydrates: 50g
  • Sugar: 14g
  • Fiber: 9g

Prep Time: 5 mins | Chill Time: 4+ hours | Total Time: ~5 mins active | Yield: 2 servings

Final Thoughts

At the end of the day, Peanut Butter Banana Overnight Oats are more than just breakfast—they’re a little jar of comfort, a bit of nostalgia, and a whole lot of practicality. They remind me of home, of busy mornings made easier, and of how food can carry love across generations (and even dorm rooms!).

Whether you’re making them for yourself, meal-prepping for the family, or trying to start your mornings with less stress and more flavor, this recipe is here to prove that healthy and delicious don’t have to mean complicated.

So go ahead—mash those bananas, swirl in that peanut butter, and let your fridge do the work. Tomorrow morning, your future self will thank you with every creamy, cozy spoonful.

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