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    Home » Recipes » Breakfast

    Peanut Butter Overnight Oats

    Published: Aug 23, 2021 · Modified: Mar 1, 2022 by Kelsey Smith

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    Peanut butter overnight oats feel like breakfast and dessert all in one little mason jar. Old fashioned oatmeal, creamy peanut butter, and sweet honey make for the perfect peanut butter overnight oats.

    This post contains affiliate links. As an Amazon Associate, I earn from qualifying purchases.

    Peanut Butter Overnight Oats topped with banana slices and peanuts.

    Overnight oats are a type of no-cook oatmeal. You mix dry and wet ingredients to soak together overnight. Even without microwaving or boiling the oatmeal, it becomes soft overnight.

    On the weekend you can find me in my kitchen making pancakes or zucchini casserole, but when I want a make-ahead breakfast, overnight oats are a go-to.

    My base recipe is adapted from Eating Bird Food without the chia seeds. Next, try protein powder overnight oats and Nutella overnight oats.

    Ingredients

    Peanut butter overnight oats call for a few ingredients you may already have on hand.

    Peanut Butter Overnight Oats ingredients: oatmeals, milk, Greek yogurt, creamy peanut butter, honey, vanilla extract, salt, and cinnamon.
    • old fashioned oatmeal
    • almond milk
    • plain Greek yogurt
    • creamy peanut butter
    • honey
    • vanilla extract
    • salt
    • cinnamon

    See the recipe card for quantities.

    Instructions

    Add all of the ingredients to a 12 oz or 16 oz jar or bowl and stir to combine until peanut butter is completely incorporated.

    Add the ingredients to a 12 oz mason jar.
    This is a 12 oz mason jar.
    Top down view of Peanut Butter Overnight Oats ingredients in a jar.
    Stir until the peanut butter is completely incorporated.

    Cover and refrigerate overnight or a minimum of four hours.

    Stirring oats after refrigerating overnight.
    Stir and serve.

    Remove from the fridge, stir the oatmeal, and serve.

    Topping ideas: I always like to add a few toppings to my overnight oats for a little crunch. For this recipe, try peanuts (chopped or whole), granola, or chocolate chips. For an extra peanut butter punch, add a drizzle of peanut butter to the top. And of course, peanut butter goes well with bananas.

    Spoonful of peanut butter overnight oats with a banana slice and peanuts on top.
    Top with peanuts and banana slices.

    Want to mix it up?

    Here are a few ways to personalize your peanut butter overnight oats to make them your own.

    • Milk - Use any type of milk you like. I keep unsweetened vanilla almond milk on hand, so that's what I like to use. Oatmeal is a carb-heavy breakfast as it is, so I avoid dairy milk which has more sugar than you would expect. For this reason, I also wouldn't use oatmilk (though you absolutely can if carbohydrates are not a concern!).
    • Nut butter - This recipe would be tasty with any nut butter (almond butter, sunflower butter, you name it!).
    • Honey - I use honey because peanut butter and honey just makes sense to me, but you can also use maple syrup (same amount).

    What size container do I need?

    With all of the ingredients combined, the volume in my mason jar measures a little under 10 ounces. I use a 12 oz jar in my photos. This gives you plenty of room to stir and add extra toppings.

    If you plan to increase the serving size or add lots of toppings, you'll have more room in a 16 oz wide-mouth mason jar for overnight oats. Generally, this is my go-to size.

    I prefer a wide-mouth jar because it's easier to get your spoon in and out of the jar to mix the ingredients. With the peanut butter, you definitely want some wiggle room because you have to mix a lot. You could also use a bowl and cover it with cling wrap.

    Store leftovers in the fridge. Good for up to 4 days.

    Peanut Butter Overnight Oats in a mason jar with banana slices on top.

    Peanut Butter Overnight Oats

    Old fashioned oatmeal, creamy peanut butter, and sweet honey make for the perfect peanut butter overnight oats.
    Print Pin Email Rate
    Prep Time: 5 minutes
    Cook Time: 0 minutes
    Fridge Time: 4 hours
    Total Time: 4 hours 5 minutes
    Calories: 564kcal
    Author: Kelsey Smith
    Servings: 1
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    Ingredients

    • ½ cup old fashioned oatmeal
    • ½ cup almond milk unsweetened vanilla
    • ¼ cup Greek yogurt plain
    • 3 tablespoon creamy peanut butter
    • 1 tablespoon honey
    • ¼ teaspoon pure vanilla extract
    • ⅛ teaspoon salt
    • 1 pinch cinnamon

    Instructions

    • Add all of the ingredients to a 12 oz or 16 oz jar or bowl and stir to combine until peanut butter is completely incorporated.
    • Cover and refrigerate overnight or a minimum of four hours.
    • Remove from the fridge, stir the oatmeal, and serve.

    Notes

    Nutrition was estimated using MyFitnessPal. 31g fat, 56g carbs, 23g protein. 
    My base recipe is adapted from Eating Bird Food without the chia seeds.

    Nutrition

    Calories: 564kcal

    Note: Nutrition was estimated using WP Recipe Maker.

    Tried this recipe?Tag @ByKelseySmith or use #bykelseysmith!
    Peanut Butter Overnight OatsPeanut Butter Overnight OatsPeanut Butter Overnight OatsPeanut Butter Overnight Oats
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    About Kelsey Smith

    I am a freelance content writer for college-level textbooks by day, mommy by night, and a blogger in between. I live in Knoxville, Tennessee with my husband, Xavier. When I'm not working on college textbooks, you might find me here, sharing recipes, social media tutorials, and more.

    Reader Interactions

    Comments

    1. Kelsey says

      October 17, 2021 at 11:05 pm

      5 stars
      Topping with peanuts is a must for that added crunch.

      Reply

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    Hi, I'm Kelsey! I am a freelance content writer for college-level textbooks by day, mommy by night, and a blogger in between. I live in Knoxville, Tennessee with my husband, Xavier. When I'm not working, you might find me here, sharing easy family recipes.

    More about me →

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