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REESE'S Peanut Butter Cup Brownies


30 Min.
30 Min.
Skill Level:
16 brownies

Brownies with REESE'S Peanut Butter Cups baked inside? Yes, please! For the chocolate and peanut butter lovers in your life, these REESE'S Peanut Butter Cup Brownies are the ultimate flavor mash-up. With brownies swirled with REESE'S Creamy Peanut Butter, it's entirely possible the whole pan will disappear in a flash.  From an after-school snack to a weekend party treat, we're sure this REESE'S Brownies recipe will bring on the smiles. Need more chocolate and peanut butter goodies? Check out our Double Peanut Butter and Milk Chocolate Chip Cookies.

Ingredients & Directions

Prep Time
30 minutes
Bake Time
30 minutes
Cool Time
1 hour


  • 2-3/4 cups
  • 1/2 cup
    vegetable oil
  • 1/3 cup
    granulated sugar
  • 1/3 cup
    light brown sugar
  • 2
  • 1 tsp
    vanilla extract
  • 1 cup
    all-purpose flour
  • 1/2 tsp
  • Peanut Butter Swirl
  • 3 Tbsps
    unsalted butter (melted)
  • 1/2 cup
    powdered sugar

Step-By-Step Directions

Equipment Needed 
oven oven
9-inch square baking pan square baking pan
parchment paper parchment paper
microwave-safe bowl microwave-safe bowl
microwave microwave
bowl bowl
knife knife
wire rack wire rack

Heat oven to 350° F. Grease 9-inch square baking pan. Line with parchment paper; grease parchment paper. Remove wrappers and coarsely chop peanut butter cups; set aside.


Place 1-3/4 cups peanut butter cups and oil in medium microwave-safe bowl. Microwave at Medium (50%) 1 minute; stir. If necessary, microwave at Medium an additional 15 seconds at a time, stirring after each heating, until candy is melted and mixture is blended when stirred.


Stir in granulated sugar and brown sugar. Add eggs, one at a time, mixing to combine. Blend in vanilla. Stir together flour and salt; blend into mixture; fold in remaining 1 cup chopped peanut butter cups. Spread batter in prepared pan.


Prepare Peanut Butter Swirl; drizzle over brownie batter. Swirl with metal spatula or knife for marbled effect.


Bake 25 to 30 minutes or until toothpick inserted in center comes out clean or with a few moist crumbs. Cool completely in pan on wire rack. Cut into bars. Store leftover bars in airtight container at room temperature for up to a week.


* 39 REESE'S Peanut Butter Cups Miniatures or 18 to 20 regular or Snack Size REESE'S Peanut Butter Cups.

Peanut Butter Swirl:

Combine 3 tablespoons unsalted butter (melted), 1/2 cup powdered sugar and 1/2 cup REESE'S Creamy Peanut Butter in small bowl until smooth.

Additional questions?