Peanut Butter Cup S'more Bars – Eat More Chocolate Eat More Chocolate

Ingredients

• 1/2 cup butter, softened
• 1/2 cup packed brown sugar
• 1/4 cup sugar
• 1 egg
• 1 teaspoon vanilla
• 1 1/4 cups flour
• 1 teaspoon baking powder
• 1/4 teaspoon salt
• 1 cup graham cracker crumbs
• 16 peanut butter cups, regular size
• 1 1/2 cups marshmallow fluff