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Home » Recipes » Fruit, Yogurt and Grains

PB2 Overnight Oats

Updated: Jul 27, 2026 · Published: Jan 11, 2023 by Jennifer

Jump to Recipe Print Recipe

These simple PB2 (powdered peanut butter) Overnight Oats are made with oats and milk and then layered between sweet ribbons of fruity jam. It's a decadent but protein-packed breakfast!

Peanut butter overnight oats in a jar with raspberries and bananas.

My husband has been on a peanut butter binge lately. He puts peanut butter on peanut butter, and I have a front-row seat to the show.

Luckily, I don't mind it, because he introduced me to PB2®, a protein-packed peanut butter powder that has all the flavor of peanut butter, but with a fraction of the fat and calories.

While there are so many uses for peanut butter powder (think smoothies, shakes, and dips), we love adding it to oatmeal because it's a breeze to blend in. Add some jam, and you've got yourself a happy little breakfast in a jar!

Jump to:
  • What you will need
  • How to prepare
  • 👩‍🍳Expert tip
  • Substitutions
  • Variations
  • Meal prepping and storing overnight oats
  • FAQ's
  • Other oatmeal recipes you may like
  • 📖Recipe

Why you'll love this recipe

  • Easy to prepare. PB2 overnight oats do their thing in the fridge while you sleep.
  • It's a meal prepper's dream. Make several jars to have for breakfast all week.
  • Toppings are customizable. In the morning, layer the oats with fruit jam and any toppings you choose.
  • Less guilt. PB2 has fewer calories and less fat than traditional peanut butter, yet still packs a decent amount of protein.
  • Tastes like childhood in a jar. All the nostalgia of a classic PB&J! Kids will love it.

What you will need

  • Rolled oats- Be sure to use old-fashioned oats, not instant or quick cooking. Save the steel-cut oats for my apricot oatmeal.
  • Milk- You can use any milk you like.
  • PB2 or other powdered peanut butter- You can use any brand of powdered peanut butter.
  • Chia seeds- Chia seeds will add a touch of fiber.
  • Fruit jam, spread, or jelly- Choose your favorite fruity jam. Use what you would if you were making a PB&J sandwich.
  • Bananas, fresh berries, chopped nuts or a drizzle of peanut butter for topping- For added texture (optional).
Overhead picture of overnight oats in a jar on a wood service with raspberries on top.

How to prepare

To assemble these oats, have a few lidded jars or containers ready. The jars should be able to hold about 1 cup (mine hold 10 ounces).

Two jars of overnight oats being prepared on a concrete surface.

Step 1. Combine oats, milk, PB2, and chia in a small jar. Cover and shake to combine.

Jam being spooned into a jar of overnight oats on a concrete surface.

Step 2. Refrigerate overnight. When ready to serve, add the jam and any toppings.

*These are abbreviated instructions. For the full list of directions, please see the recipe card below.

👩‍🍳Expert tip

Choose glass jars or containers over plastic. Plastic containers often leave a residual taste from foods that can leach into the oatmeal. A Mason jar, old jam jars, or a glass jar designed for overnight oats is ideal.

Substitutions

We like these oats just the way they are, but feel free to mix them up however you would like. Here are some great swaps:

  • Milk: You can swap out the milk for your favorite almond or other plant-based milk. Vanilla almond milk would be a great choice. Try adding Greek yogurt for even more protein and creaminess.
  • Other PB2 varieties: PB2 comes in several flavors, including vanilla almond, cocoa, brownie, cookie, and even a crunchy peanut butter variety, so feel free to experiment. You can also substitute regular peanut butter, though it will increase the calories and fat in the finished recipe.
  • Jam: We love the addition of fruity jam because it tastes like a peanut butter and jelly sandwich, but if that's not your thing, you can omit the jam and add a sweetener of your choice. Maple syrup or brown sugar are great options.

Variations

  • Fluffernutter- Stir 1 to 2 tablespoons of marshmallow fluff into the oats before serving, or swirl it on top with sliced bananas for a nostalgic peanut butter sandwich-inspired breakfast.
  • Chocolate peanut butter- Add 1 to 2 teaspoons of unsweetened cocoa powder to the oat mixture before chilling. You may want an extra splash of milk since cocoa absorbs liquid.
  • Chocolate tahini- Swirl 1 to 2 tablespoons of chocolate tahini spread into the finished oats just before serving. Top with sesame seeds or dark chocolate shavings.
Close-up of peanut butter overnight oats in a jar with raspberries and bananas.

Meal prepping and storing overnight oats

Nothing beats having a delicious breakfast ready on the go. You can easily prep these in advance and store them in the refrigerator for up to 5 days. Each day, just remove one container and add your toppings right before eating. Bam-the workweek just got easier!

FAQ's

What is PB2?

PB2 is powdered peanut butter. It is made by pressing roasted peanuts to remove most of the oil and then ground into a fine powder. The result is a low-fat, low-calorie, high-protein option for peanut butter that is versatile in cooking and baking.

Where can I find PB2?

You can find PB2 (peanut butter powder) in most grocery stores and online. It is found next to the peanut butter or sometimes in the health aisle.

Can I heat overnight oats?

Although overnight oats are meant to be eaten cold, it's not for everyone. Since the oatmeal is already soft, you can certainly heat the oats in the morning if you want a warm breakfast.

Other oatmeal recipes you may like

Traditional, baked, or overnight, we love oats over here!

  • A bowl of oatmeal with honey and dates with a spoon to the right.
    Scottish-Style Oatmeal with Dates and Honey
  • A slice of blueberry baked oatmeal on a plate with blueberries.
    Amish-Style Baked Oatmeal with Blueberries
  • Eye-level view of overnight oats in a jar on a wood surface with the Sunday paper showing.
    Maple Raisin Overnight Oats
  • Baked pecan pie oatmeal on a wood slab with cinnamon sticks in the background.
    Pecan Pie Baked Oatmeal

Made this recipe? I'd love to hear about it. Please leave a ⭐⭐⭐⭐⭐ rating and comment below the recipe. Snapped a photo? Tag @brunchandbatter on Instagram so I can see your creation!

📖Recipe

Peanut butter overnight oats in a jar with raspberries and bananas.

PB2 Overnight Oats

These simple PB2 (powdered peanut butter) overnight oats are made with oats and milk and then layered between sweet ribbons of fruity jam. It's a decadent but protein-packed breakfast!
5 from 3 votes
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Prep Time 5 minutes mins
Overnight 8 hours hrs
Total Time 8 hours hrs 5 minutes mins
Course Breakfast
Cuisine American
Servings 2
Calories 344 kcal

Equipment

  • 2 Mason jars or other lidded containers.

Ingredients
 

  • 1 cup rolled oats (not quick cooking or instant)
  • 1 cup milk (any kind)
  • 2 tablespoon PB2 Original or other peanut butter powder
  • 1 teaspoon chia seeds
  • 3 tablespoon fruit jam such as raspberry or strawberry
  • berries, sliced bananas, or chopped nuts for topping optional

Instructions
 

  • Divide the oats, milk, PB2, and chia seeds among 2 lidded containers or Mason jars. Stir so the oats are covered (you can also just cover and give them a good shake).
    1 cup rolled oats, 1 cup milk, 2 tbsp PB2 Original or other peanut butter powder, 1 tsp chia seeds
  • Let the oats sit in the refrigerator (covered) overnight. In the morning, remove the oats from the fridge, stir them, and add the jam. Add additional milk if needed if it's too thick. Top with fresh berries, bananas, chopped nuts, or a drizzle of melted peanut butter.
    3 tbsp fruit jam such as raspberry or strawberry, berries, sliced bananas, or chopped nuts for topping

Notes

  • If you want it creamier, add a tablespoon or 2 of Greek yogurt.
  • You can mix the jam along with all the ingredients instead of waiting until the next morning.
  • Use glass jars instead of plastic. Residual food odors can leach into the oatmeal.
  • Make a large batch and prep overnight oats for up to 5 days.

Nutrition*

Serving: 1jar | Calories: 344kcal | Carbohydrates: 57g | Protein: 12g | Fat: 8g | Saturated Fat: 3g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 2g | Trans Fat: 0.01g | Cholesterol: 15mg | Sodium: 106mg | Potassium: 362mg | Fiber: 6g | Sugar: 21g | Vitamin A: 224IU | Vitamin C: 3mg | Calcium: 195mg | Iron: 2mg

*Nutrition information is an estimate and provided as a courtesy. Actual values may vary based on ingredients, measurements, and substitutions.

Made this recipe?Leave a comment and a star rating below. If you snapped a photo, tag @brunchandbatter on Instagram!

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Comments

    5 from 3 votes (1 rating without comment)

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    Recipe Rating




  1. Cassandra R. says

    January 13, 2023 at 11:54 am

    5 stars
    Wow! Soooo good. I had to ask where to find pb2 at supermarket (wasn’t with the peanut butter) but glad they had some. Made this two days in a row it’s so delicious. Healthy and yummy? This is going to be part of our breakfast routine.

    Reply
    • Jennifer says

      January 13, 2023 at 11:58 am

      That's great. Thanks for trying the recipe!

      Reply
  2. Jodi says

    January 16, 2023 at 10:59 am

    5 stars
    Winner with my 8 year old daughter who lives on PB&J!! we used Strawberry jam & fruit 🍓! thanks for sharing!

    Reply
  3. Gina Shively says

    December 12, 2024 at 6:29 pm

    can I use fresh fruit instead of the jam?

    Reply
    • Jennifer says

      December 12, 2024 at 7:46 pm

      Absolutely!

      Reply
  4. Ally says

    February 24, 2026 at 12:48 am

    How much would you adjust the plant milk quantity if one wanted to use 2 tablespoons of chia seeds?

    Reply
    • Jennifer says

      February 24, 2026 at 7:41 am

      Hi! I'd probably add about 1/4 cup more milk, since chia seeds absorb liquid. You can always add more if needed depending on the consistency you prefer.

      Reply
Author looking at the camera holding eggs.

About Jennifer


Oh, hey there! I'm Jennifer, the recipe developer and food photographer behind Brunch and Batter. I've been a seasoned home cook (and nurse) for over 28 years, specializing in unique breakfast recipes, updated lunch classics, and simple, no-fuss desserts. I'm so glad you found me! Read more...

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