Peanut Butter Chocolate Brownies

Love chocolate and peanut butter? These peanut butter chocolate brownies are rich, fudgy, and swirled with creamy peanut butter for the perfect treat.

This peanut butter chocolate brownies recipe is easy to make and full of delicious peanut butter and chocolate flavor and the perfect dessert for peanut butter lovers. 

A hand picking up a thick fudge brownie with peanut butter topping.

Why You'll Love This Recipe

  • Super fudgy texture - A perfect balance of rich chocolate and peanut butter.
  • Easy to make - Simple ingredients, quick prep, and minimal effort.
  • Chocolate and peanut butter heaven - A classic flavor duo perfect for peanut butter and chocolate lovers. 
  • Beautiful swirls - The peanut butter drizzle adds a beautiful swirl to these brownies
Fudgy chocolate brownies with melted peanut butter on top.

Ingredients in Chocolate Peanut Butter Brownies

  • dark chocolate bar
  • unsalted butter
  • eggs
  • light brown sugar, packed
  • all-purpose flour
  • unsweetened cocoa powder
  • vanilla extract
  • creamy peanut butter, melted
  • chocolate chips
Chocolate peanut butter squares on a marble serving plate.

How to Make Peanut Butter Chocolate Brownies

  1. Preheat oven to 350°F. Grease and line a 9x9-inch square baking pan with parchment paper.
  2. In a small saucepan over low heat, melt the chopped dark chocolate and butter together, stirring until smooth. Remove from heat and let cool slightly.
  3. Whisk the eggs and sugar. In a large mixing bowl, beat the eggs and brown sugar until pale and slightly thickened.
  4. Combine wet ingredients by stirring in the melted chocolate mixture and vanilla extract until well incorporated.
  5. Add the dry ingredients by gently folding in the flour, cocoa powder, and chocolate chips until just combined-do not overmix.
  6. Pour the brownie batter into the prepared pan, spreading it evenly.
  7. Melt the peanut butter in a microwave-safe bowl.
  8. Add the peanut butter layer by drizzling the melted peanut butter over the top and use a knife or skewer to create swirls without fully mixing it in.
  9. Bake in the preheated oven for 25-27 minutes. The brownies should be set with slightly soft centers. A toothpick inserted should come out with moist crumbs.
  10. Cool completely. Let the brownies cool in the pan before using a sharp knife to slice into clean, even squares.

See the recipe card for the full list of ingredients and directions.

A stack of four peanut butter chocolate brownies.

Quick Tips for the Best Brownies

  • Use high-quality chocolate for the richest flavor.
  • Don't overmix the batter after adding the flour to keep them fudgy.
  • Let them cool completely before slicing for the best texture.
  • For clean slices, use a sharp warm knife and wipe it clean between cuts for nice, clean cuts. 
  • Create the perfect swirl by drizzling the melted peanut butter in thin lines over the batter, then using a butter knife to drag through in a zigzag pattern gently-avoid overmixing for defined swirls.
A square pan with baked peanut butter chocolate brownies.

How to Store Brownies

Store your peanut butter chocolate brownies in an airtight container at room temperature for up to 4 days. For longer storage, refrigerate them for up to a week or freeze them for up to 3 months. If freezing, wrap each brownie square individually in plastic wrap before placing them in a sealed container.

Peanut Butter Chocolate Brownies cut into squares in a pan.

More Chocolate Desserts

If you love these brownies, try these other delicious treats:

📖 Recipe

peanut butter chocolate brownies featured image.

Peanut Butter Chocolate Brownies

Dana
Love chocolate and peanut butter? These peanut butter chocolate brownies are rich, fudgy, and swirled with creamy peanut butter for the perfect treat.
5 from 1 vote
Prep Time 10 minutes
Cook Time 25 minutes
Total Time 35 minutes
Course Dessert
Cuisine American
Servings 9 brownies
Calories 610 kcal

Ingredients
  

  • ½ cup dark chocolate - chopped
  • ¾ cup unsalted butter
  • 3 large eggs
  • cups light brown sugar - packed
  • 1 cup all-purpose flour
  • ½ cup unsweetened cocoa powder
  • 2 teaspoons vanilla extract
  • ¾ cup semisweet chocolate chips
  • ¾ cup creamy peanut butter - melted

Instructions

  • Preheat oven to 350°F. Grease or line a 9x9-inch square baking pan with parchment paper.
  • In a small saucepan over low heat, melt the chopped dark chocolate and butter together, stirring until smooth. Remove from heat and let cool slightly.
    ½ cup dark chocolate, ¾ cup unsalted butter
  • Whisk the eggs and sugar. In a large mixing bowl, beat the eggs and brown sugar until pale and slightly thickened.
    3 large eggs, 1¼ cups light brown sugar
  • Combine wet ingredients by stirring in the melted chocolate mixture and vanilla extract until well incorporated.
    2 teaspoons vanilla extract
  • Add the dry ingredients by gently folding in the flour, cocoa powder, and chocolate chips until just combined-do not overmix.
    1 cup all-purpose flour, ½ cup unsweetened cocoa powder, ¾ cup semisweet chocolate chips
  • Pour the brownie batter into the prepared pan, spreading it evenly.
  • Melt the peanut butter in a microwave-safe bow.
    ¾ cup creamy peanut butter, ¾ cup unsalted butter
  • Add the peanut butter layer by drizzling the melted peanut butter over the top and use a knife or skewer to create swirls without fully mixing it in.
  • Bake in the preheated oven for 25-27 minutes. The brownies should be set with slightly soft centers. A toothpick inserted should come out with moist crumbs.
  • Cool completely. Let the brownies cool in the pan before using a sharp knife to slice into clean, even squares.

Notes

  • For clean slices, use a sharp warm knife and wipe it clean between cuts for nice, clean cuts. 
  • Create the perfect swirl by drizzling the melted peanut butter in thin lines over the batter, then using a butter knife to drag through in a zigzag pattern gently-avoid overmixing for defined swirls.

Nutrition

Serving: 1brownie | Calories: 610kcal | Carbohydrates: 61g | Protein: 11g | Fat: 38g | Saturated Fat: 18g | Polyunsaturated Fat: 4g | Monounsaturated Fat: 13g | Trans Fat: 1g | Cholesterol: 96mg | Sodium: 129mg | Potassium: 430mg | Fiber: 5g | Sugar: 40g | Vitamin A: 563IU | Calcium: 73mg | Iron: 4mg

Nutritional information is an estimate based on third-party calculations. Actual values may vary due to ingredients, measurements, and serving sizes.

© Mama Needs Cake

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