Chocolate and peanut butter are an irresistible combination. And that's exactly why we love these chocolate peanut butter swirl brownies so much. Made from scratch and baked with love, this dessert will have the whole family grinning from ear to ear.

If you've ever had a peanut butter cookie with a chocolate kiss on top or a Reese's peanut butter cup, you know that peanut butter and chocolate are a match made in heaven. Naturally we had to also use this perfect combination in some yummy chocolate peanut butter swirl brownies. It just felt right. We know you'll agree.

Chocolate peanut butter swirl brownies

Makes 9 brownies


  • 4 ounces unsweetened chocolate, chopped
  • 6 tablespoons unsalted butter
  • 2 eggs
  • 3/4 cup sugar
  • 1 teaspoon vanilla extract
  • 1/4 teaspoon salt
  • 3/4 cup flour
  • 1/2 cup chocolate chips, divided
  • 1/2 cup creamy peanut butter
  • 1/4 cup mascarpone cheese (or cream cheese)
  • 2 tablespoons unsalted butter, melted
  • 1/3 cup powdered sugar
  • 1 teaspoon vanilla extract


  1. Preheat oven to 350 degrees F and grease and flour an 8 x 8-inch baking pan. Set aside.
  2. Place a medium heatproof bowl over a pot of gently boiling water. Add the chopped chocolate pieces and 6 tablespoons of butter to the bowl and stir until both are melted and fully combined. Remove from heat.
  3. Whisk in the eggs and then add sugar, vanilla and salt and whisk again until combined.
  4. Stir in the flour until just combined and then add 1/4 cup chocolate chips, again stirring until just combined. Pour the chocolate brownie mixture into the prepared baking pan and set aside.
  5. In a small bowl, combine creamy peanut butter, mascarpone cheese, melted butter, powdered sugar and vanilla extract. Stir in the remaining chocolate chips.
  6. Drop spoonfuls of the peanut butter mixture on top of the chocolate mixture in the pan. Using a butter knife, cut through batters to swirl the batter. Smooth top slightly.
  7. Bake in the oven for 30 to 35 minutes and let cool before serving.

^ Want more homemade brownie recipes? Check out these ultimate chocolate brownies and chocolate pecan brownies.

allParenting Chocolate peanut butter swirl brownies

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