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


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



  • β…” cup old-fashioned rolled oats
  • β…” cup unsweetened almond milk
  • β…“ cup plain Greek yogurt
  • ΒΌ 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)


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.


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.


  • 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