Reese’s Stuffed Chocolate Peanut Butter Brownies

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Reese’s Stuffed Chocolate Peanut Butter Brownies: Get ready for an absolute game-changer of a recipe. I’m talking about the one, the only, the ridiculously delicious Chocolate Peanut Butter Brownies.

Reese’s Stuffed Chocolate Peanut Butter Brownies


For the brownies:

  • 1 box brownie mix + ingredients needed on the package
  • 15 full-sized Reese’s Cups


For the frosting:

  • 3/4 cup creamy peanut butter
  • 1/2 cup unsalted butter softened
  • 2 & 1/4 cups powdered sugar
  • 4 tablespoons heavy cream
  • 1 & 1/2 teaspoons vanilla extract


  • Preheat the oven to 350°F. Line a 9×13 baking dish with parchment paper, set aside.
  • In a large bowl, mix the brownie mix with the ingredients listed on the back of the box. Spread about ⅔ of the batter into the prepared baking dish.
    1 box brownie mix + ingredients needed on the package


  • Place 15 Reese cups on top of the batter, and press them in slightly.
    15 full-sized Reese’s Cups
  • Gently spread the remaining batter on top of the layer of peanut butter cups, ensuring they are completely covered with batter.


  • Bake for 25-30 minutes until a toothpick inserted into the center of the brownie comes out mostly clean; a few moist crumbs are okay, but any wet batter and it needs to bake longer.
  • Place on a wire rack to cool completely.


  • Once the brownies have cooled, make the frosting by placing the peanut butter and butter into a large bowl with an electric hand mixer or stand mixer with the paddle attachment. Cream until smooth.
    3/4 cup creamy peanut butter,1/2 cup unsalted butter

chocolate peanut butter brownies on a white serving plate

  • Add the powdered sugar in a little at a time until fully mixed in; scrape the sides as needed. The mixture will be thick.
    2 & 1/4 cups powdered sugar
  • Add the heavy cream and vanilla, and stir it until combined. Place the mixer on medium-high speed and whip for 2 minutes until light and fluffy.
    4 tablespoons heavy cream,1 & 1/2 teaspoons vanilla extract


  • Using the parchment paper to help, lift the brownies out of the baking dish.
  • Spread the frosting evenly over the top of the brownies. Serve immediately or add more fun toppings if desired.


  • Use good quality chocolate and peanut butter for the best flavor.
  • Line your baking pan with parchment paper for easy removal and clean-up.
  • Be sure to fully cover the Reese’s Cups with the brownie batter to ensure they melt into the brownies.


  • Let the brownies cool completely before frosting to avoid a melty mess.
  • Have fun with it! This recipe is all about indulgence, so don’t be afraid to add your favorite toppings.



Absolutely! Feel free to substitute the brownie mix with your favorite homemade brownie recipe.

Just make sure it’s enough to fill a 9×13 baking dish.


No, the toppings are totally optional!

These chewy brownies are delicious on their own, but if you want to amp up the wow factor, go for it!


If you’re not a fan of peanut butter, try a cream cheese frosting or even a simple chocolate ganache. You can’t go wrong with even more chocolate flavor!

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