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5 from 1 vote

Reese's Marshmallow Brownie Bars

Reese's Marshmallow Brownie Bars are the perfect dessert for a crowd! This easy dessert recipe is impossible to resist - full of sweet chocolate and yummy peanut butter...all you'll need is a glass of milk!
Course Dessert
Cuisine American
Keyword brownies, Reese's marshmallow brownie bars
Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Servings 36 bars
Calories 243kcal
Author Trish - Mom On Timeout


  • 18 oz brownie mix plus ingredients needed to make brownies
  • 7 oz marshmallow creme
  • 25 Reese's miniatures halved
  • 12 oz bag semi-sweet chocolate chips
  • 1 cup creamy peanut butter
  • 3 cups crispy rice cereal


  • Prepare brownies according to package directions for 9x13 baking dish. Cool completely and refrigerate for at least one hour.
  • Spread marshmallow cream on top of chilled brownies and return to the refrigerator for at least 30 minutes.
  • Top with halved Reese's miniatures.
  • Melt peanut butter and chocolate chips together in a microwave safe-container. Heat on high heat in 30 second intervals, stirring in between.
  • Stir in crispy rice cereal until completely coated. Spread mixture carefully over the top of the Reese's.
  • Return to refrigerator for another hour before cutting into bars.
  • Store leftovers in an airtight container in the refrigerator.


Calories: 243kcal | Carbohydrates: 30g | Protein: 4g | Fat: 13g | Saturated Fat: 4g | Cholesterol: 1mg | Sodium: 117mg | Potassium: 142mg | Fiber: 2g | Sugar: 20g | Vitamin A: 11IU | Vitamin C: 1mg | Calcium: 18mg | Iron: 1mg