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Image of Giant Peanut Butter Cup Marshmallow Cookies

Giant Peanut Butter Cup Marshmallow Cookies

These Giant Peanut Butter Cup Marshmallow Cookies are so chewy and full of flavor! These tasty giant cookies are every peanut butter cup lover's dream!
Course Dessert
Cuisine American
Keyword best peanut butter cookies, best peanut butter cookies recipe, big fat cookies, easy peanut butter cookies, homemade peanut butter cookies, peanut butter cookies recipe, peanut butter cup cookies
Prep Time 10 minutes
Cook Time 12 minutes
Total Time 22 minutes
Servings 12 large cookies
Calories 304kcal
Author Jenny


  • Oven


  • 1 stick unsalted butter softened
  • 1/2 cup granulated sugar
  • 1/2 cup packed light brown sugar
  • 1 large egg
  • 1 tsp pure vanilla extract
  • 1 1/2 cups all purpose flour
  • 1/2 tsp baking soda
  • 1/4 tsp kosher salt
  • 1 cup mini chocolate chips
  • 1 cup marshmallow bits
  • 7 oz bag Reese's Peanut Butter Cup Minis


  • Preheat oven to 350 degrees F. and spray two 6 count muffin top pans with non stick cooking spray.
  • Cream butter and sugars into a stand or electric mixer until creamy and smooth, a minimum of 2 minutes. Add egg and vanilla, beating until combined.
  • Place flour, baking soda and salt into a medium bowl, mixing to combine. Slowly add dry ingredients to wet ingredients along with mini chips and marshmallow bits. Mix until just combined. 
  • With a medium cookie scoop, place 2 scoops of dough into each muffin top cup. Press dough flat then top each cookie with 5 mini peanut butter cups each. Bake for 12-14 minutes or until baked through. Let cool for 10 minutes before transferring to cooling rack. Serve and enjoy!


Calories: 304kcal | Carbohydrates: 52g | Protein: 5g | Fat: 9g | Saturated Fat: 4g | Cholesterol: 17mg | Sodium: 175mg | Potassium: 91mg | Fiber: 1g | Sugar: 37g | Vitamin A: 63IU | Vitamin C: 1mg | Calcium: 42mg | Iron: 1mg