Chocolate Peanut Butter Overnight Oats are a quick and easy meal prep breakfast that tastes just like a peanut butter cup served in a mason jar! Old-fashioned oats, unsweetened cocoa powder, a little milk, and sweetener are mixed together and topped with creamy peanut butter. This make-ahead dish is ready to grab and go when you are!

Two glass jars of vegan overnight oats recipe with a gray napkin.

Chocolate Peanut Butter Overnight Oatmeal Recipe

If you’re like most American families, weekday mornings get busy.

Take something off your plate by making breakfast the night before with these Chocolate Peanut Butter Overnight Oats. Grab-and-go meals take so much stress off an already rushed schedule.

And this easy recipe is a great way to start the day! On top of being delicious, you just can’t get any simpler.

If this is your first time making Overnight Oats, don’t stress. This recipe is impossible to mess up. Plus you get that satisfying chocolate flavor while filling peanut butter keeps you going all day. Win-win!

Ingredients

  • Oats. Old-fashioned oats will get you a better texture, but quick oats can also be used. However, use less milk, and they might end up a but mushier. Definitely avoid steel-cut oats.
  • Milk. You can use a regular or a plant-based alternative. Oat milk is my favorite! Feel free to go with soy, almond, or cashew milk for vegan oatmeal. My favorite type of milk to use when making overnight oats is almond milk.  It is subtle enough in flavor, while still having the consistency of regular milk. Avoid coconut milk if possible as it adds quite a bit of flavor to the dish.
  • Cocoa powder. Be sure to go with an unsweetened variety. Depending on your personal preference, choose regular or dark. 
  • Peanut butter. Either creamy or crunchy peanut butter are fine—opt for your personal preference. If needed, you can also sub with almond or cashew butter.
  • Sweetener. Keep it natural with pure maple syrup, honey, or agave nectar. Sweeten it to preference.
5 Secrets to Healthier Family Dinners
Tips & recipes for getting yummy — and healthy — meals on the table.

How to Make Chocolate Peanut Butter Overnight Oats

Please see the recipe card below for more detailed ingredient amounts.

1. Combine Ingredients

Add the oats and cocoa powder to a large bowl. Use a whisk to thoroughly combine.

Carefully stir in the milk of choice, maple syrup, and vanilla extract. Be sure no lumps are remaining for the best results.

2. Pour into Jars

Be sure to use 8-ounce jars when making this recipe. They are easy to find and perfectly fit one serving of overnight oats.

Evenly divide the oat mixture between 4 jars. Add one tablespoon of the peanut butter to the top of the oatmeal.

3. Chill in the Fridge

Place a lid on each jar, ensuring it is screwed on tight. Set the jars in the fridge.

Let the oatmeal set up for at least 2 hours in the fridge. But, it will be best if left to chill overnight.

Before digging in, top with some chopped peanuts. You can even include some chocolate chips or any other favorite toppings, as well.

Overhead picture of easy oatmeal in a jar for breakfast.
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What are Overnight Oats?

Overnight oats are old-fashioned or quick-cooking oats that absorb some sort of milk (almond, soy, coconut, cashew, or regular milk) for at least two hours. This is an easy breakfast that is incredibly versatile.

You can choose to mix in your toppings before the overnight oats are refrigerated or after. Crunchy toppings such as nuts taste best if added the day of serving, whereas soft toppings, like peanut butter, will do well if refrigerated.

How Long Do Overnight Oats Last?

Overnight oats are best enjoyed within the first 24 hours but will last for up to 2-3 days if refrigerated properly. However, the texture does start to get a bit thick after the first day or two.

Overhead picture of healthy gluten-free peanut butter overnight oats in a glass jar with a spoon.

FAQs

Are overnight oats healthy?

Overnight oats are a super healthy breakfast, but just be mindful of the added ingredients. Limit the amount of sugary or high-calorie add-ins for the healthiest option.

What does leaving oats overnight do?

When you let oats sit overnight with milk, the liquid is absorbed slowly for maximum flavor and a creamy texture. You can include any flavors you like.

Do overnight oats keep you regular?

When eaten as part of a healthy diet, overnight oats are a great way to stay regular.

Recipe Tips

  • Roll out. Old-fashioned (or rolled) oats are the best variety for a creamy and smooth texture.
  • Plus it up. Extra ingredients like yogurt, protein powder, spices, or nuts will enhance the flavor and health benefits of the oatmeal.
  • Chill out. These oats need at least 2 hours in the fridge, but they’re best if left overnight.
  • Go big. Make extra jars so you have breakfast ready all week.
Two glass jars filled with gluten-free Healthy Chocolate Peanut Butter Overnight Oats.

What to Eat with Overnight Oats

While all you have to do is grab a jar and go, you can add any of these other healthy breakfast recipes to start your day on the right foot.

If you’re craving some protein, make some Instant Pot Hard Boiled EggsAir Fryer Hard Boiled EggsEgg White Bites, or Breakfast Egg Muffin Cups. Or, serve up some Bacon or Chicken Sausage.

You can also whip up some Pigs in a Blanket.

More Delicious Overnight Oats Recipes

Once you’ve tried your first batch of overnight oats, you’ll be chomping at the bit to try other variations! They all have simple ingredients and are equally as easy to pull together:

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5 from 6 votes

Chocolate Peanut Butter Overnight Oats

Chocolate Peanut Butter Overnight Oats are a quick and easy meal prep breakfast that tastes just like a peanut butter cup served in a mason jar! Old-fashioned oats, unsweetened cocoa powder, a little milk and sweetener are mixed together and topped with creamy peanut butter.
Two glass jars of vegan overnight oats recipe with a gray napkin.
Yield 4 servings
Prep 5 minutes
Total 2 hours 5 minutes
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Ingredients 

  • 2 cups oats old-fashioned, gluten-free if needed
  • 1 ½ Tbsp. cocoa powder unsweetened
  • 2 cups milk regular or plant-based
  • cup pure maple syrup or honey
  • 1 tsp. vanilla extract
  • ¼ cup peanut butter creamy or crunchy
  • ¼ cup peanuts roasted, coarsely chopped

Instructions 

  • Combine the Ingredients: In a large bowl whisk together oats and cocoa powder. Add milk, maple syrup, and vanilla. Stir until well combined.
    2 cups oats, 1 ½ Tbsp. cocoa powder, 2 cups milk, ⅓ cup pure maple syrup, 1 tsp. vanilla extract
  • Pour into Jars: Add equal amounts of the oats to four 8-oz. mason jars. Top each jar with one tablespoon of peanut butter.
    ¼ cup peanut butter
  • Chill in Fridge: Refrigerate for at least 2 hours before serving. Just before serving add 1 tablespoon chopped peanuts and enjoy!
    ¼ cup peanuts
Last step! If you make this, please leave a review letting us know how it was!

Tap stars to rate!

5 from 6 votes

Video

Notes

  • Overnight oats are best enjoyed straight out of the refrigerator. However, if you prefer warm overnight oats, simply heat them up in the microwave until they reach your desired temperature.
Storage Directions:
The beauty of this dish is how easy it is to whip up the day before. It will keep for up to 3 to 4 days in the fridge, but it is best enjoyed within 24 hours. After this time, it will start to get mushy. 
Recipe Tips
  • Roll out. Old-fashioned (or rolled) oats are the best variety for a creamy and smooth texture.
  • Plus it up. Extra ingredients like yogurt, protein powder, spices, or nuts will enhance the flavor and health benefits of the oatmeal.
  • Chill out. These oats need at least 2 hours in the fridge, but they’re best if left overnight.
  • Go big. Make extra jars so you have breakfast ready all week.
 

Nutrition

Calories: 406kcal, Carbohydrates: 53g, Protein: 13g, Fat: 17g, Saturated Fat: 3g, Sodium: 244mg, Potassium: 463mg, Fiber: 8g, Sugar: 18g, Calcium: 224mg, Iron: 3.2mg

Nutrition information is automatically calculated, so should only be used as an approximation.

Made this recipe?Leave a comment below!
5 Secrets to Healthier Family Dinners
Tips & recipes for getting yummy — and healthy — meals on the table.

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Comments

    1. Yes, Zach! That’s totally it. I like to use unrefined sugars whenever possible. You can always use regular sugar if that’s what you have!

    1. What a wonderful idea, Stefanie!! Do you have a favorite brand of hemp hearts? I have not tried those yet and would love to add them to some overnight oats next time, too!

    1. Hi Faith! Yes, the nutrition facts are for 1 serving (or 1/4 of the total amount.) Peanut butter and peanuts are pretty calorically dense so you can always decrease how much you use or leave off the peanuts entirely to decrease the calories.