Chocolate peanut butter overnight oats are going to officially change your breakfast routine.

These chocolate peanut butter oats are ultra creamy thanks to a combination of Greek yogurt and almond milk. Then lightly sweetened with maple syrup and studded with chunks of dark chocolate and raisins, this overnight oatmeal is healthy and satisfying all while tasting like a Monster Cookie.

Can it get better?

Photograph of a black spoon scooping up chocolate peanut butter overnight oats from a glass jar. Somewhat of a recent phenomenon, overnight oats make a great grab ‘n go breakfast. Ultra creamy and incredibly easy to whip up, overnight oats are a great way to ensure a healthful breakfast whether you’re always on the go or frequently running late.

How to make overnight oats:

With overnight oats, it’s all about making them to your preference. I’ll share the method that I like best along with a few swaps/options that might work for you!

Overnight Oats Step 1: Start with a base made of yogurt and milk

I like the combination of Greek yogurt and milk in my overnight oats because it creates an ultra creamy texture. Milk hydrates the oat quickly while yogurt adds creaminess and just a bit of tang. You’ll see in this chocolate peanut butter overnight oats recipe that I use Greek yogurt and almond milk. I like the flavor and texture of almond milk, but you can also use whatever milk you have on hand.

Same goes for the Greek yogurt, if you don’t like Greek yogurt, use regular and if you want to keep this dairy-free, use a non-dairy yogurt.

Photograph of chocolate peanut butter overnight oats in a glass jar on a table with spilled oatsOvernight Oats Step 2: Use old-fashioned rolled oats

I have found that old-fashioned rolled oats are the best variety to use in overnight oats for a couple of reasons.

  • Old-fashioned oats are often already in your pantry, and if not, you’ll use them for other things like granola, oatmeal cookies, and fruit crisps like this Cherry-Almond Crisp and this delicious Deconstructed Apple Crisp.
  • Old-fashioned oats offer more texture than instant or minute oats. Instant oats will hydrate much quicker, creating a more “goopy” texture.

Overnight Oats Step 3: Add some healthy fat and protein

It’s important to start your day with fiber, protein and healthy fats. We’ve got some of the fiber covered so now we need to add fat and protein. Nut butters and flax seeds do the job nicely in this chocolate peanut butter overnight oats recipe. Both also add fiber, but their main job in this recipe is to fill you up and keep you satisfied.

You can use whatever nut butter you have on hand, I prefer lightly salted unsweetened nut butters, but use what you like!

If you don’t have flax seeds on hand you can also use chia seeds.

Overnight Oats Step 4: Add some flavor!

Overnight oats can really take on any flavor you throw at them. Hell, if you want savory overnight oats give it a whirl!

For the sweeter variety I like to flavor with vanilla or almond extract, warm spices like cinnamon, nutmeg and cardamom, a splash of maple syrup or honey for natural sweetness, and some fresh or dried fruit.

This cookie-inspired oatmeal is a bit decadent thanks to the dark chocolate. If you’re trying to cut out sugar or eat healthier, this oatmeal is just as delicious without the chocolate.

Photograph of chocolate peanut butter overnight oats in a glass jar on a table with spilled oats and maple syrup being poured over the oatsHow long do overnight oats last?

Overnight oats can last up to 1 week stored in an airtight container in the refrigerator.

Do you heat up overnight oats?

Overnight oats are designed to be an on-the-go breakfast and meant to be eaten cold. However, if you aren’t so sure about “cold” oatmeal, you can heat the soaked oats in the microwave for about 45 seconds on high until heated through.

Photograph of chocolate peanut butter overnight oats in a glass jar on a table with spilled oatsMake sure to tag me @ZESTFULKITCHEN ON INSTAGRAM or comment below if you make these chocolate peanut butter overnight oats!

To pin this recipe and save it for later, you can click the button on any of the photos, or the red button on the side bar or below the recipe.  Happy cooking!

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Photograph of chocolate peanut butter overnight oats in a glass jar on a table with spilled oats

Monster Cookie Overnight Oats

  • Author: Lauren
  • Total Time: 5 minutes + chilling
  • Yield: 2 servings 1x
  • Category: Breakfast
  • Method: No cook
  • Cuisine: American

Description

Creamy, chunky and lightly sweetened, this delicious cookie-inspired overnight oats recipe is perfect for your weekly meal prep!


Ingredients

Scale
  • ⅔ cup old-fashioned rolled oats
  • ⅔ cup unsweetened almond milk
  • ⅓ cup plain Greek yogurt
  • ¼ cup raisins (optional)
  • 2 tablespoons chopped dark chocolate + more for serving
  • 2 tablespoons natural peanut or almond butter
  • 1 tablespoons pure maple syrup + more for serving
  • 2 teaspoons flax seeds
  • 1 teaspoon pure vanilla extract
  • Pinch salt
  • Chopped peanuts for serving (optional)

Instructions

Thoroughly combine oats, almond milk, yogurt, raisins, chocolate chips, peanut butter, maple syrup, flax seeds, vanilla extract and salt in a bowl.

Cover oatmeal and refrigerate at least 2 hours or overnight.

Divide oatmeal between two serving dishes, top with additional chocolate, maple syrup, and peanuts, if desired.


Notes

Make it vegan & dairy-free:

To make is overnight oats recipe vegan simply swap the Greek yogurt out for your favorite non-dairy yogurt and be sure to use vegan chocolate.

Make it gluten-free:

Use certified gluten-free rolled oats.

Make it low-sugar:

Look for at least 75% dark chocolate and use just 1 tablespoon pure maple syrup. Be sure to use unsweetened almond milk.


Nutrition

  • Calories: 364
  • Sugar: 22g
  • Sodium: 120mg
  • Fat: 16g
  • Saturated Fat: 4g
  • Carbohydrates: 49g
  • Fiber: 7g
  • Protein: 13g
  • Cholesterol: 0mg

Keywords: Overnight Oats, Healthy Overnight Oats, Chocolate Peanut Butter Overnight Oats, Meal Prep Overnight Oats

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About The Author

Lauren Grant is a professional culinary food scientist, food writer, recipe developer, and food photographer. Lauren is a previous magazine editor and test kitchen developer and has had work published in major national publications including Diabetic Living Magazine, Midwest Living Magazine, Cuisine at Home Magazine, EatingWell.com, AmericasTestKitchen.com, and more.

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