Peanut Butter Cup Brownies Recipe

• 1/2 cup (1 stick) unsalted butter, plus more for the pan
• 3/4 cup all-purpose flour, spooned and leveled
• 1/4 cup unsweetened cocoa powder
• 1/2 teaspoon baking powder
• 1/2 teaspoon kosher salt
• 6 ounces semisweet chocolate, chopped
• 1 cup sugar
• 2 large eggs
• 1 teaspoon pure vanilla extract
• 1 1/2 cups chopped mini peanut butter cups (about 20)

Directions