Peanut Butter Bars
["1 c. peanut butter", "2/3 c. margarine", "3 c. graham cracker crumbs", "1 c. powdered sugar", "8 oz. pkg. chocolate chips", "1 can condensed milk"]
["Mix first four ingredients and pat into a 13 x 9 x 2-inch pan. Melt chocolate chips over double boiler and stir in condensed milk.", "While hot, spread over peanut butter mixture.", "Refrigerate 1/2 hour or more.", "Cut into squares or fingers."]
["peanut butter", "margarine", "graham cracker crumbs", "powdered sugar", "chocolate chips", "condensed milk"]