Alburn 09/27/12 1 cup melted butter 2 cups graham cracker crumbs (grind in the food processor until very fine) 2 cups powdered sugar 1 cup + 4 tablespoons peanut butter 1 1/2 cup semi-sweet chocolate chips Mix butter, graham cracker crumbs, sugar, and 1 cup peanut butter until well blended. Press firmly into the bottom of a 13 x 9 pan. Microwave chocolate chips until melted (30 seconds at a time and then stir to prevent burning). Mix melted chocolate chips and 4 tablespoons of peanut butter until well blended. Spread chocolate mixture over peanut butter bars. Refrigerate for at least 1 hour.