Peanut butter banana overnight oats are my favorite way to start the day. Savory, sweet, creamy, and so easy to make. You're going to love this oats recipe!

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I could live off of these peanut butter and banana overnight oats, they're just so good! Packed with so much great flavor, not too sweet, and given the fresh taste of banana slices in every bite, these oats are irresistibly good!
This was actually the first overnight oats recipe that I created and from that branched off all of the others like Strawberries and Cream Overnight Oats, Oreo Overnight Oats, and Chunky Monkey Overnight Oats.
That said, I still eat these oats at least once a week or more. I doubt that I'll ever get tired of them. Banana and peanut butter are such perfect pairing that I even put them in a Peanut Butter Banana Mug Cake together.
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💛 Why You'll Love This Recipe
- A better option. This overnight oats peanut butter banana recipe is truly delicious option thanks to the natural sweeteners, protein, fiber, and more. This is a breakfast you can feel great about eating too.
- Affordable. This recipe makes one huge serving for less than $1! Perfect for a very filling meal but don't be surprised if you need to split it into several days because one batch usually serves me for 2 breakfasts.
- Convenience. There's nothing more convenient than waking up to breakfast already made and ready to eat. Just grab a spoon, slice some bananas and serve it up!
🛒 Ingredients

Old fashioned oats- This is the base of the recipe. These oats will soak up liquid overnight to soften without the need to cook them. We use oats in so many recipes including 4 Ingredient Oatmeal Cookies and Simple Meatloaf Recipe with Oatmeal.
Greek yogurt- Adding Greek yogurt will make the oatmeal thicker and creamier.
Peanut butter- You will need some creamy peanut butter for added protein and flavor.
Banana- Use a ripe banana. But wait to add it to the oatmeal so it doesn't brown overnight.
See the recipe card below for full ingredients and instructions.
🔀 Substitutions & Variations
Oats: Old-fashioned oats work best, but quick-cook steel-cut oats or traditional steel-cut oats also work with a slightly heartier texture. For variety, try our Birthday Cake Overnight Oats.
Milk: Use any milk, including whole, low-fat, almond, coconut, or oat milk. Water works in a pinch, though the oats will be less creamy.
Sweetener: Honey, maple syrup, agave, or your preferred sweetener all work here.
Yogurt: Use any plain or flavored yogurt. If skipping yogurt, add an extra ¼ cup of milk.
Flavor ideas: Add cinnamon, mini chocolate chips, a drizzle of honey, or swap the banana for berries for a different twist.
💰 Budget-Friendly Tips
Choose store brands. Store-brand oats, peanut butter, and yogurt offer the same quality at a much lower price.
Buy discounted bananas. Overripe or markdown bananas are sweeter, cheaper, and perfect for overnight oats.
Meal prep for savings. Make several jars of Peanut Butter Banana Overnight Oats at once to reduce food waste and avoid spending on last-minute breakfasts.
🥄 Instructions for Peanut Butter Banana Overnight Oats

Step 1: Add the milk, yogurt, vanilla, salt, maple syrup, and chia seeds (if using) to a bowl.

Step 2: Whisk until smooth.

Step 3: Stir in the oats and mix until combined.

Step 4: Stir in peanut butter until well mixed.
Step 5: Pour the oat mixture into a sealed container and place into the fridge to chill for at least 6 hours or overnight.
Step 6: In the morning, add more milk to adjust the oat mixture to your liking (or eat it thick).
Top with sliced bananas (and more peanut butter) if desired.

👩🏻🍳 Expert Tips
Chia seeds for thickness. Chia seeds are optional but help create a thicker, creamier texture. If the oats become too thick overnight, simply stir in a splash of milk.
Serve warm or cold. Overnight oats can be enjoyed chilled, or warmed in the microwave for 1-2 minutes if you prefer a cozy breakfast.
❄️ Storage and Make Ahead
Storage: Your Peanut Butter Banana Overnight Oats are good for 5 days in the fridge so if desired, you can meal prep for the week on Sunday and not have to worry about breakfast again until Saturday.
Make Ahead: You can eat your oats right after they've been mixed together, but the oats will be chewy. Letting them sit for at least 4 to 6 hours is ideal for a better texture and consistency as it will take several hours for the oats to absorb the liquid in the oats.
🥗 Side Dishes or Pairing Ideas
Enjoy these oats with fresh fruit, a hard-boiled egg for extra protein, or a slice of toast. They also pair well with coffee, smoothies, or a simple fruit salad for a fuller breakfast.
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- Sheet Pan French Toast BreakfastRecipe $1.59 / Serving $0.80
- Breakfast Banana SplitRecipe $1.78 / Serving $0.89
- Pineapple Watermelon Banana SmoothieRecipe $2.20 / Serving $1.10
❓ Recipe FAQs
Nope. We recommend waiting overnight so you can wake up to the perfect bowl of oats, but if you like your oatmeal chewy then you can eat them immediately after stirring together, or after just waiting an hour or so.
Keep your overnight oats covered and stored in the fridge when not being eaten. This will help to keep them from spoiling and will allow them to taste delicious longer.
Absolutely! While chia seeds give a little extra thickening and add a lot of added health benefits, you can easily omit them if desired.

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🐝 If you tried these Peanut Butter Banana Overnight Oats, please leave a ⭐️ star rating and share your buzz in the 💬 comments below. I'd truly appreciate it!
📖 Recipe
Peanut Butter Banana Overnight Oats
Ingredients
- ¼ cup milk - ($0.05)
- ½ cup Greek yogurt - ($0.32)
- 1 teaspoon vanilla extract - ($0.02)
- 1 pinch salt - ($0.01)
- 1-2 tablespoons maple syrup - ($0.04)
- ½ teaspoon chia seeds, optional - ($0.02)
- ¾ cups old fashioned oats - ($0.09)
- 1 tablespoon peanut butter or powdered peanut butter - ($0.05)
- ½ ripe banana, sliced - ($0.13)
Instructions
- Mix Base. In a bowl, whisk together the milk, Greek yogurt, vanilla extract, salt, and maple syrup until smooth.
- Add Oats. Stir in the chia seeds if using, then mix in the oats until evenly combined.
- Finish. Stir in the peanut butter until fully incorporated.
- Chill. Transfer the mixture to a sealed container and refrigerate for at least 6 hours or overnight.
- Serve. Stir and add additional milk if needed to adjust consistency. Top with sliced banana before serving.
Notes
- Sweetener Options. Honey, agave, or other liquid sweeteners can be used in place of maple syrup.
- Yogurt Choice. Plain or flavored yogurt works. If omitting yogurt, add an extra ¼ cup milk.
- Texture. Chia seeds thicken the oats as they sit. Add more milk to loosen if needed.
- Storage. Store overnight oats in the refrigerator for up to 5 days. Best texture after 4 to 6 hours.
Nutritional Information
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