Peanut Butter Cup Bars
["1/3 lb. graham cracker crumbs", "1 c. peanut butter", "1 c. butter or margarine", "3 c. powdered sugar", "3 Tbsp. milk", "1/2 c. brown sugar", "1 c. chocolate chips"]
["Combine graham cracker crumbs, peanut butter, 3/4 cup butter and powdered sugar.", "Work well with fingers and press into a 9 x 13-inch pan.", "Combine remaining butter, milk and brown sugar in a small saucepan; boil for 1 minute.", "Add chocolate chips and stir until smooth.", "Spread on top of first mixture.", "Let cool and cut into squares.", "Makes 32 (1 1/2-inch) squares."]
["graham cracker crumbs", "peanut butter", "butter", "powdered sugar", "milk", "brown sugar", "chocolate chips"]