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Marshmallow Brownies Easy Recipes With Marshmallows And Brownie Toppings

These Peanut Butter Marshmallow Brownies are a triple-layered dessert made with a fudgy boxed brownie base, a gooey melted mini marshmallow middle, and a crispy chocolate-peanut butter topping. Chopped Reese’s Peanut Butter Cups add a rich candy layer, while crispy rice cereal in the topping delivers a crunchy contrast. Easy to make and crowd-pleasing, these brownies are perfect for bake sales, holidays, or indulgent weeknight desserts.

Ingredients

Scale
  • For the brownie base:
    • 1 box brownie mix (plus ingredients listed on the box – usually eggs, oil, and water)
    • 1 cup mini marshmallows
    • 1 cup chopped Reese’s peanut butter cups

    For the topping:

    • 1 cup milk chocolate chips
    • ½ cup creamy peanut butter
    • 1 ½ cups crispy rice cereal

Instructions

  1. Preheat your oven according to the brownie mix instructions and grease a 9×13-inch baking pan.
  2. Prepare the brownie batter as directed on the box and pour it into the prepared pan.
  3. Bake the brownies according to package directions, until a toothpick inserted near the center comes out mostly clean.
  4. Immediately after removing the brownies from the oven, sprinkle the mini marshmallows evenly over the top.
  5. Return the pan to the oven for 2–3 minutes, just until the marshmallows begin to puff.
  6. Remove from the oven and sprinkle chopped Reese’s peanut butter cups over the top.
  7. In a microwave-safe bowl, melt the chocolate chips and peanut butter together in 30-second intervals, stirring until smooth.
  8. Stir the crispy rice cereal into the melted mixture until evenly coated.
  9. Gently spread the cereal mixture over the marshmallow and candy layer.
  10. Let the brownies cool completely before cutting into squares.

Notes

  • Use parchment paper for easy cleanup and smooth removal.

  • Let brownies cool completely before cutting for clean layers.

  • Don’t skip the crispy rice cereal topping—it’s what makes this dessert unique.

  • Store in the fridge for longer freshness and better structural integrity.

  • For a nut-free version, use sunflower seed butter and omit Reese’s.