Peanut Butter Swirl Brownies
Fudgy chocolate brownies with ribbon swirls of creamy peanut butter, baked until the edges are crispy and the center stays chewy. Rich, decadent, and ready in under an hour.
- Total time
- 45 min
- Servings
- 12
- Calories
- 312
- Protein
- 6g

Ingredients
- ½ cup (1 stick) butter
- ¾ cup unsweetened cocoa powder
- 1.5 cups granulated sugar
- 2 large eggs
- ¾ cup all-purpose flour
- ½ cup peanut butter, creamy
- 1 tsp vanilla extract
- ¼ tsp salt
Instructions
- 1
Preheat oven to 350°F. Line an 8x8-inch square baking pan with parchment paper.
- 2
Melt butter in a small saucepan over medium-low heat, then whisk in cocoa powder until smooth.
- 3
Combine sugar and eggs in a large bowl, whisking until pale and thick, about 2 minutes.
- 4
Pour cocoa mixture into eggs, stir until combined, then fold in flour, vanilla, and salt.
- 5
Pour chocolate batter into prepared pan, smoothing the surface with a spatula.
- 6
Drop peanut butter by heaping teaspoonfuls all over the chocolate layer.
- 7
Drag a toothpick or knife through the peanut butter and chocolate to create swirls.
- 8
Bake 20–24 minutes, until the top looks set but the center jiggles slightly when you shake the pan.
- 9
Cool in the pan 15 minutes, then transfer to a wire rack to cool completely before slicing.
Tools you’ll need
- 8x8-inch square baking pan
- parchment paper
- small saucepan
- whisk
- large bowl
- spatula
- toothpick or small knife
- wire cooling rack
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