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You are here: Home / Recipes / Breakfast / Peanut Butter and Banana Overnight Oats

Peanut Butter and Banana Overnight Oats

Published December 22, 2020. Last updated May 14, 2025 by Lauren Vavala Harris

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A jar of peanut butter banana oatmeal on a wood board with text overlay
2 images of peanut butter banana overnight oats with text overlay between them.
A jar of peanut butter banana oatmeal on a wood board with text overlay
A jar of peanut butter banana oatmeal on a wood board with text overlay
2 images of peanut butter banana overnight oats with text overlay between them.
2 images of peanut butter banana overnight oats with text overlay between them.
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Peanut Butter and Banana Overnight Oats is the best way to start the day! This easy recipe combines oats, peanut butter, banana, cinnamon, and maple into the most delicious oatmeal that takes only minutes to make. These oats can be enjoyed chilled, warmed, and on-the-go.

A mason jar of peanut butter and banana overnight oats on a wood board with wood spoon and banana blurred in the background

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Mornings are very busy and this easy, make-ahead breakfast recipe for Peanut Butter and Banana Overnight Oats has definitely simplified them. 

I use one of my favorite go-to flavor combinations to create these oats. Peanut butter, bananas, maple, and cinnamon.

I actually first got this idea from a local sandwich shop called Purebread Deli. I re-created their Hound Dog sandwich (which is sadly no longer on the menu) into this Peanut Butter Banana Panini and then made this oatmeal recipe next.

Why This Recipe Works

It’s a super easy, make-ahead breakfast recipe. You can make jars or bowls of this oatmeal for the week and have breakfast practically ready for you as soon as you wake up. It definitely helps when mornings get crazy busy.

The combination of flavors is so good together and it is delicious right out of the fridge or warmed up.

Both kids and adults will love this oatmeal!

Peanut Butter & Banana Overnight Oats

Ingredients

Ingredients to make peanut butter banana overnight oats on a white background with labels

  • You can use old-fashioned rolled oats, quick oats, or even steel cut oats.
  • Any type of milk should work just fine in this recipe.
  • Flax seeds are optional. You can swap them for chia seeds, if you’d like.

The entire recipe and instructions can also be found in the recipe card at the bottom of this post. You can also print the recipe from the card, if needed.

Prep!

Prepare these oats the night before you want to eat them for breakfast.

You will need a mason jar or bowl. If using a mason or canning jar, I recommend the 16 ounce size. I do use the smaller 8 ounce jars, but it tends to overflow a little.

Create!

oats in a glass jar with other ingredients around it

Mix the oats, flax seeds, and cinnamon in a mason jar or bowl.

Overnight oats and milk and cinnamon in a glass jar with a banana and bowl of peanut butter next to it

Stir in the milk and maple syrup.

Chef’s Tip: if you prefer a thinner oatmeal, you can use up to 1 cup of milk.

Peanut butter oats in a mason jar with the lid in and a banana in the background

Drop in the peanut butter and mix it around just a little.

Place the lid on the jar or cover the bowl with plastic wrap.

Refrigerate for at least 6 hours.

Present!

angles view of a mason jar of peanut butter and banana overnight oats on a wood board with wood spoon and a spoon blurred in the background

In the morning, remove the lid or plastic wrap. Top the oats with the banana slices.

You can drizzle on some extra maple syrup and add a pinch of cinnamon to the top of the bananas, for added flavor.

Chef’s Tip: if you prefer to warm your oats, do so before you add the banana.

Tips and Techniques

  • You can use old-fashioned rolled oats, quick oats, or even steel cut oats.
  • Increase ratio of milk to oats for thinner oatmeal. You can use up to 1 cup of milk.
  • Overnight oats can be stored, tightly covered, in the refrigerator for up to 5 days. They are a great option for weekly meal prep.

FAQ’s

Are Overnight Oats Healthy?

Overnights oats can be considered healthy as oatmeal provides plenty of whole grains, protein, fiber and more.

Do You Eat Overnight Oats Hot or Cold?

Overnight oats are meant to be enjoyed cold, right out of the refrigerator, however, you can warm them up if you prefer.

Simple heat them in the microwave or on the stovetop.

What is the Ratio For Overnight Oats?

The ratio of overnight oats can vary.

For thicker oatmeal, use 1/2 cup of rolled oats with 1/2 cup of milk.

If you prefer a thinner oatmeal, use up to 1 cup of milk for a 1/2 cup of rolled oats.

Can You Use Quick Oats for Overnight Oats

Yes. You can use quick oats or even steel cut oats, sometimes called Irish oatmeal.

More Overnight Oats Recipes

Apple Pie Overnight Oats
Apple Pie Overnight Oats are made with fresh apples and warm spices. This recipe takes just minutes to mix up at night, then wake up to delicious apple pie oatmeal all ready for breakfast. You can enjoy this oatmeal chilled, warmed, and on-the-go.
Get The Recipe
A mason jar of Apple Pie Overnight Oats with chopped apples and cinnamon sticks in it and a blue and white napkin, blue spoon with oats, brown spoon with cinnamon, and an apple in the background on a wood backdrop
Blueberry Overnight Oats
Blueberry Overnight Oats is a simple, delicious breakfast recipe to start the day. This easy recipe combines oats, blueberries, cinnamon, and maple into a tasty oatmeal that takes only minutes to make. These oats can be enjoyed chilled or warmed, and on-the-go.
Get The Recipe
Blueberry overnight oats in a jar with a spoonful being held over it on a wood board.
Tiramisu Overnight Oats
Tiramisu Overnight Oats are a super flavorful, quick, and easy way to enjoy oatmeal. They are made with oats and milk and flavored with traditional Tiramisu ingredients like mascarpone cheese, espresso, and cocoa powder. You can grab and go on busy mornings, or warm them up and enjoy a hot breakfast at home.
Get The Recipe
A mason jar filled with tiramisu overnight oats and topped with yogurt and cocoa powder.

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If you try this recipe, I would really appreciate it if you would please leave a comment and star rating. Thanks!

A mason jar of peanut butter and banana overnight oats on a wood board
Print

Peanut Butter and Banana Overnight Oats

Peanut Butter and Banana Overnight Oats is the best way to start the day! This easy recipe combines oats, peanut butter, banana, cinnamon, and maple into the most delicious oatmeal that takes only minutes to make. These oats can be enjoyed chilled, warmed, and on-the-go.
Course Breakfast
Cuisine Vegetarian
Prep Time 10 minutes minutes
Total Time 10 minutes minutes
Servings 1 serving
Calories 447kcal
Author Lauren Harris

Ingredients

  • 1/2 cup rolled oats (see notes)
  • 1 teaspoon whole flax seeds (optional)
  • 1/4 teaspoon cinnamon
  • 1/2 cup milk
  • 1 teaspoon pure maple syrup
  • 2 tablespoons peanut butter
  • 1/2 banana (sliced - wait until ready to eat)

Instructions

  • Mix the oats, flax seeds, and cinnamon in a mason jar or a bowl.
  • Add the milk and maple syrup and stir well.
  • Drop in the peanut butter and mix it around just a little.
  • Place the lid on the jar or cover the bowl with plastic wrap. Refrigerate for at least 6 hours.
  • When ready to eat, remove the lid or plastic wrap. Top the oats with the banana slices. Drizzle on extra maple syrup and add a pinch of cinnamon to the top of the bananas, if desired.

Notes

Tips and Techniques

  • You can use old-fashioned rolled oats, quick oats, or even steel cut oats.
  • Increase ratio of milk to oats for thinner oatmeal. You can use up to 1 cup of milk.
  • Overnight oats can be stored, tightly covered, in the refrigerator for up to 5 days. They are a great option for weekly meal prep.
** Nutritional information is an estimate and may vary.

Nutrition

Serving: 1serving | Calories: 447kcal | Carbohydrates: 53g | Protein: 15g | Fat: 21g | Saturated Fat: 3g | Sodium: 313mg | Potassium: 565mg | Fiber: 9g | Sugar: 14g | Vitamin C: 5.1mg | Calcium: 185mg | Iron: 2.3mg

This recipe was originally posted on June 22, 2017. It was updated with step-by-step instructions, new photos, tips, techniques, FAQ’s and video in December 2020.

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Welcome, I'm Lauren!

Delicious Little Bites is where I share all types of recipes from appetizers to desserts. You will also find plenty of keto, gluten free, and vegetarian recipes here to help you put a delicious meal on the table every night that the whole family will love! Read More...

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