Reese’s Peanut Butter Cup Brownies

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33 minutes

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These Reese’s Peanut Butter Cup Brownies put a delicious peanut butter twist on a traditional dark chocolate brownie. If you love the the amazing combination of peanut butter and chocolate, this indulgent sweet treat is for you!

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Reese's brownie with bite taken out

There’s nothing better than a rich and fudgy chocolate brownie, whether it’s in the form of buckeye brownies or these decadent s’mores brownies. That’s why we’re loving these amazing Reese’s Brownie Recipe. With the addition of mini Reese’s and creamy peanut butter chips, this ordinary brownie is transformed into a rich chocolate peanut butter dessert.

Serve these treats on their own or with a scoop of vanilla ice cream and some chocolate sauce for a decadent brownie sundae. Either way, you won’t be able to resist these chewy and delicious brownies!

Reese's brownies on white plate

Why We Love This Brownie Recipe

Rich and Indulgent – This easy brownie recipe is bursting with the flavors of chocolate and peanut butter. The classic combination is the perfect way to satisfy your sweet tooth!

Great for Parties – Brownies are always a hit with crowds, and these are a perfect choice the next time you need an amazing party or potluck dessert.

Easy – Although these treats taste much more decadent and special than an ordinary brownie, they’re just as easy to make. The peanut butter candy makes all the difference, and all you need to do is stir it in!

Perfect for gifting – Perfect for parties, potlucks, and bake sales, these homemade brownies also make an ideal gift. Share them with a friend or neighbor, or any other peanut butter lovers in your life.

Ingredients

Ingredients for Reeses brownies
  • Unsalted butter, melted and cooled
  • Unsweetened cocoa powder
  • Granulated sugar
  • Eggs
  • Pure vanilla extract
  • Salt
  • All purpose flour
  • Baking powder
  • Mini Reese’s peanut butter cups, roughly chopped and divided
  • Reese’s peanut butter chips, divided (or substitute Reese’s Pieces)

How To Make Reese’s Peanut Butter Cup Brownies

Step 1: Heat oven to 350 F. Lightly grease the bottom of a baking pan and line it with parchment paper.

Step 2: In a large bowl, melt the butter in the microwave. Allow it to cool for a few minutes.

Butter in glass mixing bowl

Step 3: Whisk the sugar and cocoa powder into the cooled melted butter.

Butter with sugar and cocoa in bowl

Step 4: Mix in the eggs, salt, and vanilla extract. Mix just until the eggs have been fully incorporated into the mix.

Brownie batter with eggs

Step 5: Gradually add in the flour and baking powder, stirring until all ingredients are well combined.

Flour added to brownie mixture

Step 6: Fold in half of the peanut butter cup minis and half of the chips. Set the
rest aside for topping.

Step 7: Pour the brownie base into your prepared pan. Using a rubber spatula to spread it in an even layer.

Brownie batter in baking pan

Step 8: Sprinkle the remaining peanut butter cups and chips over the top.

Brownie batter topped with Reese's candy

Step 9: Bake at 350 F for 23-27 minutes, or until a toothpick inserted in the center of the brownies comes out clean. If you prefer extra fudgy brownies, cook on the lower end of the cooking time. Let brownies cool completely on a wire rack.

Baked Reese's brownies on cooling rack

Step 10: Cut the cooled brownies into squares and enjoy!

Reese's brownies cut into pieces

Tips & Tricks

  • Be sure to use an unsweetened cocoa powder such as Hershey’s. Don’t use a mixed chocolate milk powder, as these are usually filled with sugar. You can also mix in some chocolate chips for even more chocolate flavor.
  • Be careful not to overmix, otherwise your brownies may have a tougher consistency.
  • Do not overcook the brownies. For fudgy brownies, a toothpick inserted in the middle will come out with just a little batter and a few crumbs clinging to it. For more cake-like brownies, wait until the brownie batter starts to pull away from the sides of the pan.
  • Add a hint of flaky sea salt on top of the brownies to bring out the chocolate and peanut butter flavor.
  • If you want to make these even more decadent, spread some peanut butter frosting over the top!
One piece of a Reese's brownie bar
How Do I Store These Brownies?

Store any leftover brownies in an airtight container at room temperature or in the refrigerator. They should keep for 3-4 days.

Can I Freeze Them?

Yes! You can freeze them for up to 3 months. Stack them in an airtight container or place them in a freezer bag with parchment paper between each slice.

Reese's brownies stacked on plate

More Brownies and Dessert Bars

Reeses Peanut Butter Brownies recipe card
5 from 1 vote

Reese’s Peanut Butter Cup Brownies


Course Desserts & Sweets
Cuisine American
Prep Time 10 minutes
Cook Time 23 minutes
Total Time 33 minutes
These Reese's Peanut Butter Cup Brownies take everyone's favorite rich and chocolate-y dessert to a whole new level of decadence!

Equipment

Ingredients
 

Instructions

  • Heat oven to 350 F. Lightly grease the bottom of a baking pan and line it with parchment paper.
  • In a large bowl, melt the butter in the microwave. Allow it to cool for a few minutes.
    ½ cup 1 stick unsalted butter, melted and cooled
  • Whisk the sugar and cocoa powder into the cooled melted butter.
    ½ cup unsweetened cocoa powder, ¾ cup granulated sugar
  • Mix in the eggs, salt, and vanilla extract. Mix just until the eggs have been fully incorporated into the batter.
    2 eggs, 1 1/2 teaspoons vanilla extract, ¾ teaspoon salt
  • Gradually add in the flour and baking powder, stirring until all ingredients are well combined.
    1 ¼ cups all purpose flour, ¼ teaspoon baking powder
  • Fold in half of the Reese’s peanut butter cup minis and half of the chips. Set the rest aside for topping.
    1 cup Reese’s peanut butter cup minis, ¾ cup Reese’s peanut butter chips
  • Using a rubber spatula, spread the brownie batter in an even layer in the prepared pan.
  • Sprinkle the remaining Reese’s peanut butter cups and chips over the top.
    1 cup Reese’s peanut butter cup minis, ¾ cup Reese’s peanut butter chips
  • Bake at 350 F for 23-27 minutes, or until a toothpick inserted in the center of the brownies comes out clean. If you prefer extra fudgy brownies, cook on the lower end of the cooking time.
  • Leave the brownies in the pan and let them cool completely on a wire rack before cutting into squares and serving. Enjoy!

Notes

  • Be careful not to overmix the batter, otherwise it may result in a tougher consistency.
  • Do not overcook the brownies. For fudgy brownies, a toothpick inserted in the middle will come out with just a little batter and a few crumbs clinging to it. For more cake-like brownies, wait until the brownie batter starts to pull away from the sides of the pan.

Nutrition

Serving: 1g | Calories: 407kcal | Carbohydrates: 50g | Protein: 7g | Fat: 22g | Saturated Fat: 11g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 7g | Trans Fat: 0.4g | Cholesterol: 65mg | Sodium: 403mg | Potassium: 228mg | Fiber: 3g | Sugar: 32g | Vitamin A: 386IU | Vitamin C: 0.1mg | Calcium: 47mg | Iron: 2mg
The nutrition information provided is an estimate and can vary based on cooking methods and ingredients used.

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