Double-Decker Deliciousness: Peanut Butter Swirled Brownies

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These peanut butter brownies are not for the faint of heart. They’re decadently rich, intensely chocolatey, and packed with peanut buttery goodness. If you’re looking for a classic brownie recipe with a twist, this is the one for you!

This recipe is surprisingly easy to follow, requiring minimal prep work and readily available ingredients. In under an hour, you’ll be enjoying warm, gooey brownies that are sure to satisfy your sweet tooth.

Peanut Butter Swirl Brownies
Peanut Butter Swirl Brownies


1 cup (2 sticks) unsalted butter, softened

  • 1 ¾ cups granulated sugar
  • 4 large eggs
  • 1 ½ teaspoons pure vanilla extract
  • 1 ¾ cups all-purpose flour
  • ¾ cup unsweetened cocoa powder
  • 1 teaspoon baking powder
  • ½ teaspoon salt
  • 1 ½ cups creamy peanut butter

  • Directions:

    1. Preheat your oven to 350°F (175°C) and grease a 9×13 inch baking pan.
    2. In a large bowl, cream together the softened butter and sugar until light and fluffy. Beat in the eggs one at a time, then stir in the vanilla extract.
    3. In a separate bowl, whisk together the flour, cocoa powder, baking powder, and salt. Gradually add the dry ingredients to the wet ingredients, mixing until just combined. Do not overmix!
    4. Fold in the peanut butter until evenly distributed throughout the batter.
    5. Pour the batter into the prepared baking pan and spread into an even layer.
    6. Bake for 25-30 minutes, or until a toothpick inserted into the center comes out with moist crumbs.
    7. Let the brownies cool completely in the pan before cutting and serving.

    Nutrition Facts (per serving):

    Calories: 450

  • Fat: 25g
  • Saturated Fat: 12g
  • Cholesterol: 75mg
  • Sodium: 220mg
  • Carbohydrates: 50g
  • Sugar: 35g
  • Protein: 6g

  • Please note: This is an approximate nutritional value based on a standard serving size. Actual values may vary depending on the specific ingredients used.


    These peanut butter brownies are sure to be a crowd-pleaser. They’re perfect for potlucks, bake sales, or simply enjoying at home with a cold glass of milk. The combination of rich chocolate and creamy peanut butter is truly irresistible!


    1. Can I use a different type of nut butter? Absolutely! Almond butter, cashew butter, or even a mix of different nut butters would work well in this recipe.
    2. How can I make these brownies gluten-free? You can substitute the all-purpose flour with a gluten-free flour blend. Just be sure to choose a blend that is suitable for baking.
    3. Can I add chocolate chips to this recipe? Yes! For an extra chocolatey treat, fold in 1 cup of your favorite chocolate chips into the batter before baking.
    4. How can I tell if my brownies are done? A toothpick inserted into the center of the brownies should come out with moist crumbs, not wet batter.