Ingredients

• unsalted butter - ½ cup
• granulated sugar - 1 cup
• brown sugar - ½ cup
• large eggs - 2
• vanilla extract - 1 teaspoon
• all-purpose flour - 1 cup
• unsweetened cocoa powder - ⅓ cup
• baking powder - ¼ teaspoon
• salt - ¼ teaspoon
• creamy peanut butter - ½ cup

Instructions

1. 1.

   Preheat your oven to 350°F (175°C) and grease a 9x9 inch baking pan.

2. 2.

   In a medium saucepan, melt the butter over low heat. Remove from heat and stir in the granulated sugar and brown sugar until well combined.

3. 3.

   Add the eggs one at a time, mixing well after each addition, then stir in the vanilla extract.

4. 4.

   In a separate bowl, whisk together the flour, cocoa powder, baking powder, and salt.

5. 5.

   Gradually add the dry ingredients to the wet mixture, stirring until just combined.

6. 6.

   Pour the brownie batter into the prepared baking pan and smooth the top with a spatula.

7. 7.

   Dollop spoonfuls of peanut butter on top of the brownie batter and use a knife or skewer to swirl it into the batter.

8. 8.

   Bake in the preheated oven for 20-25 minutes, or until a toothpick inserted in the center comes out with a few moist crumbs.

9. 9.

   Allow the brownies to cool in the pan before cutting into squares and serving.