Peanut Butter Swirl Brownies - Dinner With Julie

Ingredients

• 1/2 cup butter, at room temperature
• 1/2 cup packed brown sugar
• 2/3 cup sugar
• 2 large eggs
• 2 Tbsp. milk or cream
• 3/4 cup all-purpose flour
• 1/2 tsp. baking powder
• 1/4 tsp. salt
• 1/3 cup cocoa
• 1/3 cup chocolate chips
• 1/3 cup peanut butter