Ultimate Peanut Butter Swirl Brownies: A rich chocolate treat with a touch of peanut butter

Ultimate Peanut Butter Swirl Brownies: A rich chocolate treat with a touch of peanut butter

Treat yourself to these decadent Peanut Butter Swirl Brownies, which blend rich dark chocolate with the creamy, savory taste of peanut butter. This recipe combines the classic fudgy texture of brownies with the delicious surprise of peanut butter cups and a peanut butter swirl, making each bite a perfect balance of flavors. These brownies are not only filled with chocolate and peanut butter, but also feature a crunchy top and gooey center, meant to satisfy all your dessert cravings.


Why you'll love it: The combination of Dutch cocoa and melted dark chocolate provides a deep, intense chocolate base, which perfectly complements the sweet and salty peanut butter filling. Adding espresso powder enhances the chocolate flavor, adding a layer of complexity that coffee and chocolate lovers will appreciate. Mini Peanut Butter Cups deliver bursts of peanut butter flavor and a satisfying textural contrast.

Perfect occasion: These brownies are perfect for any gathering, from casual get-togethers to more festive occasions like birthdays or family celebrations. They're also perfect for bake sales, potlucks, or as a special treat to brighten someone's day.

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Decorating Tips: For an eye-catching presentation, drizzle melted chocolate and a little melted peanut butter over cooled brownies. A pinch of sea salt can also enhance flavors and add a gourmet touch.


For the brownies:

  • 2 eggs, room temperature
  • 1 egg yolk, room temperature
  • ¾ teaspoon vanilla extract
  • 5 ½ ounces unsalted butter
  • ¼ cup dutch cocoa powder
  • ½ cup all-purpose flour
  • 4 ounces dark chocolate, chopped
  • 1 teaspoon kosher salt
  • ½ cup light brown sugar
  • ½ cup granulated sugar
  • ¼ cup vegetable oil
  • ¼ teaspoon espresso powder
  • 1 cup mini peanut butter cups, chopped

For the peanut butter topping:

  • ½ cup creamy peanut butter
  • 2 tablespoons of powdered sugar
  • ¼ teaspoon vanilla extract
  • A pinch of kosher salt


  1. Prepare the brownie batter:
    • Preheat the oven to 350°F (180°C). Butter an 8×8-inch baking pan and line it with parchment paper.
    • In a small bowl, combine flour and kosher salt.
    • In a large pitcher, combine eggs, egg yolk, granulated sugar, brown sugar, vegetable oil, espresso powder and vanilla extract.
    • Melt the butter and dark chocolate together in a double boiler until smooth. Stir in cocoa powder until completely incorporated.
    • Mix the egg mixture with the melted chocolate mixture, then stir in the flour mixture until well combined, making sure no pockets of flour remain.
    • Stir in most of the chopped peanut butter cups, reserving some for garnish.
  2. Prepare the peanut butter filling:
    • Microwave the peanut butter briefly to soften it. Mix with the powdered sugar, vanilla extract and a pinch of salt until smooth.
  3. Assemble and bake:
    • Pour the brownie batter into the prepared pan. Pour the peanut butter filling over the dough and use a knife to swirl it.
    • Sprinkle the tops of the reserved peanut butter cups.
    • Bake for 25 to 30 minutes, or until the top is cracked and a toothpick comes out with a few moist crumbs.
    • Leave to cool in the pan on a wire rack before cutting into squares.

Enjoy these luxurious Peanut Butter Swirl Brownies, a treat that combines the best of both worlds with its rich chocolate depth and creamy peanut butter highlights!

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