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This image shows a top-down view of sliced peanut butter brownies in a glass baking dish placed over a clean white marble cooktop.

Peanut Butter Brownies Recipe

Rich, chewy, and packed with nutty goodness, these peanut butter brownies combine creamy peanut butter with a soft, cookie-like base. They’re a simple yet indulgent treat, perfect for peanut butter lovers who crave a fudgy dessert with a golden, slightly crisp top.
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Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Course Dessert
Cuisine American
Servings 16 people
Calories 177 kcal

Equipment

  • Mixing bowls (medium and large)
  • Electric hand mixer or stand mixer
  • Measuring cups
  • Measuring spoons
  • Rubber spatula
  • Whisk
  • 8×8-inch baking pan
  • Oven mitts

Ingredients
  

  • ½ cup peanut butter
  • ⅔ cup white sugar
  • 1 tsp baking powder
  • ½ tsp vanilla extract
  • ¼ salt
  • 2 large egg
  • ⅓ cup margarine, softened
  • ½ cup packed brown sugar
  • 1 cup all-purpose flour

Instructions
 

  • Preheat your oven to 350°F (175°C) and lightly grease an 8x8-inch baking pan.
    This image shows a top-down view of a lightly greased square glass baking pan on a white marble cooktop with an oven preheating in the background at 350°F.
  • In a medium mixing bowl, cream together the peanut butter and margarine until smooth and combined.
    This image shows a top-down view of a clear glass bowl on a white marble cooktop containing peanut butter and margarine being creamed together.
  • Gradually add the white sugar, brown sugar, eggs, and vanilla, continuing to mix until the batter turns light and fluffy.
    This image shows a top-down view of a glass bowl containing a peanut butter mixture with sugar, eggs, and vanilla added over a white marble cooktop.
  • In a separate bowl, whisk together the flour, baking powder, and salt, then slowly stir the dry ingredients into the peanut butter mixture until fully incorporated and no streaks of flour remain.
    This image shows a top-down view of a glass bowl on a white marble cooktop where flour, baking powder, and salt are being mixed into the peanut butter batter.
  • Pour the batter into the prepared pan and spread it evenly with a spatula.
    This image shows a top-down view of a square glass baking dish filled with evenly spread peanut butter brownie batter over a white marble cooktop.
  • Bake in the preheated oven for 30 to 35 minutes, or until the top springs back when lightly touched.
    This image shows a top-down view inside an oven with peanut butter brownies baking in a glass dish, placed over a clean white marble cooktop.
  • Allow the brownies to cool in the pan before slicing into 16 squares and serving.
    This image shows a top-down view of baked peanut butter brownies cooling in a glass dish placed on a white marble cooktop before slicing.

Notes

  • Use natural peanut butter for a richer flavor and smoother texture, but make sure it’s well-stirred.
  • Swirl in chocolate chips or chopped peanuts before baking for added texture and taste.