Reese’s Swirl Brownies Recipe

Reese’s Swirl Brownies Recipe

Indulge in the perfect combination of rich chocolate and creamy peanut butter with these decadent Reese’s Swirl Brownies. Follow this step-by-step recipe to create a delicious treat that’s sure to satisfy your sweet tooth.


  • 1/2 cup unsalted butter, melted
  • 1 cup granulated sugar
  • 2 large eggs
  • 2 teaspoons vanilla extract
  • 1/2 cup all-purpose flour
  • 1/2 cup unsweetened cocoa powder
  • 1/4 teaspoon baking powder
  • 1/4 teaspoon salt
  • 1/2 cup Reese’s peanut butter cups, chopped
  • 1/4 cup peanut butter, melted
  • 1/4 cup chocolate syrup


  1. Preheat Oven:
    • Preheat your oven to 350°F (175°C).
    • Grease or line an 8×8-inch baking pan with parchment paper.
  2. Mix Wet Ingredients:
    • In a large mixing bowl, combine the melted butter and granulated sugar.
    • Mix until well combined and smooth.
  3. Add Eggs and Vanilla:
    • Beat in the eggs, one at a time, until fully incorporated.
    • Stir in the vanilla extract.
  4. Incorporate Dry Ingredients:
    • In a separate bowl, sift together the all-purpose flour, cocoa powder, baking powder, and salt.
    • Gradually add the dry ingredients to the wet ingredients, mixing until smooth and well combined.
  5. Fold in Reese’s Pieces:
    • Gently fold in the chopped Reese’s peanut butter cups into the brownie batter until evenly distributed.
  6. Prepare Peanut Butter Swirl:
    • In a small microwave-safe bowl, melt the peanut butter until smooth and pourable.
  7. Swirl Peanut Butter Mixture:
    • Pour the melted peanut butter over the brownie batter in the pan.
    • Use a knife or toothpick to swirl the peanut butter into the brownie batter, creating a marbled effect.
  8. Bake:
    • Bake the brownies in the preheated oven for 25-30 minutes, or until a toothpick inserted into the center comes out with a few moist crumbs.
  9. Cool:
    • Allow the brownies to cool in the pan for about 15 minutes.
    • Transfer them to a wire rack to cool completely.
  10. Drizzle with Chocolate Syrup:
    • Once cooled, drizzle the brownies with chocolate syrup for added sweetness and decoration.
  11. Slice and Serve:
    • Slice the Reese’s Swirl Brownies into squares.
    • Serve and enjoy the delicious combination of rich chocolate and peanut butter flavors!

Tips for the Perfect Reese’s Swirl Brownies:

  1. Use Room Temperature Ingredients: Ensure the eggs and butter are at room temperature for easier mixing and a smoother batter.
  2. Don’t Overmix: Mix the dry ingredients into the wet just until combined to avoid tough brownies.
  3. Chop Reese’s Cups Evenly: Ensure the Reese’s peanut butter cups are chopped into even pieces for uniform distribution.
  4. Melt Peanut Butter Gently: Use a microwave in short bursts to melt the peanut butter without burning it.
  5. Create Beautiful Swirls: Use a toothpick or knife to swirl the peanut butter for a marbled look.
  6. Monitor Baking Time: Check the brownies a few minutes before the minimum baking time to avoid overbaking.
  7. Let Brownies Cool Completely: Allow the brownies to cool completely before cutting to get clean slices.
  8. Line the Pan with Parchment: Lining the pan with parchment paper makes it easier to remove the brownies from the pan.
  9. Use Quality Cocoa Powder: High-quality cocoa powder enhances the chocolate flavor.
  10. Adjust Sweetness: Taste the batter and adjust the sugar if you prefer it sweeter or less sweet.
  11. Add a Touch of Coffee: Adding a teaspoon of instant coffee granules to the batter can enhance the chocolate flavor.
  12. Serve with Ice Cream: For an extra treat, serve the brownies warm with a scoop of vanilla ice cream.
  13. Storage: Store brownies in an airtight container at room temperature for up to 4 days, or freeze for longer storage.
  14. Reheat for Warm Brownies: Microwave individual brownie pieces for a few seconds to enjoy them warm.
  15. Experiment with Toppings: Try different toppings like chopped nuts, sea salt, or more chocolate chips.
  16. Use Different Reese’s: Use different types of Reese’s candies (e.g., white chocolate Reese’s) for variation.
  17. Grease the Pan Well: Ensure the pan is well-greased or lined to prevent sticking.
  18. Keep an Eye on Swirls: Be careful not to overmix the peanut butter swirls into the batter.
  19. Check Consistency: The batter should be thick but pourable; adjust with a bit more melted butter if too thick.
  20. Add Extra Flavor: Sprinkle a bit of sea salt on top before baking for a sweet and salty contrast.

By following these tips, you’ll be sure to achieve the perfect Reese’s Swirl Brownies every time. Enjoy!