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A peanut butter brownie on a napkin.
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Peanut Butter Swirled Brownies

Sweet brownies made just a little bit better with peanut butter swirled into the chocolate!
Course Dessert
Cuisine American
Prep Time 15 minutes
Cook Time 35 minutes
Total Time 50 minutes
Servings 12
Calories 530kcal
Author Karly Campbell

Ingredients

For the brownies:

  • 1 cup 2 sticks butter
  • 2 1/4 cups sugar
  • 4 large eggs
  • 1 1/4 cups cocoa powder
  • 1 teaspoon salt
  • 1 teaspoon baking powder
  • 1 teaspoon espresso powder optional
  • 1 tablespoon vanilla extract
  • 1 1/2 cups all-purpose flour

For the peanut butter swirl:

  • 4 tablespoons butter melted
  • 1/2 cup powdered sugar
  • 3/4 cup peanut butter
  • 1/4 teaspoon salt
  • 1/2 teaspoon vanilla

Instructions

To make the brownies:

  • Pre-heat the oven to 350 degrees. Butter a 9x13 baking dish.
  • In small saucepan over low heat, melt butter completely. Stir in sugar and continue cooking for 1-2 minutes, stirring constantly. Do not allow sugar mixture to boil.
  • Pour butter mixture into a large bowl or stand mixer, beat in cocoa powder, eggs, salt, baking powder, espresso powder, and vanilla extract. Mix until well combined.
  • Stir in the flour until well combined.
  • Spread the batter into prepared pan (it will be very thick and sticky).

To make the peanut butter swirl:

  • Stir together all of the ingredients in a small bowl until well combined.
  • Drop large spoonfuls of the filling over the brownie batter.
  • Use a butter knife to swirl the mixture into the brownie batter.
  • Bake for 30-35 minutes or until a tester comes out mostly clean.
  • Cool completely.

Nutrition

Calories: 530kcal | Carbohydrates: 63g | Protein: 9g | Fat: 30g | Saturated Fat: 15g | Cholesterol: 105mg | Sodium: 508mg | Potassium: 319mg | Fiber: 4g | Sugar: 44g | Vitamin A: 670IU | Calcium: 49mg | Iron: 2.6mg