Peanut Butter Cups
["1 c. margarine, softened", "1 1/2 c. peanut butter", "1 lb. powdered sugar", "2 c. crushed graham crackers", "2 c. melted chocolate chips"]
["Mix margarine, peanut butter, powdered sugar and graham crackers.", "Press into 9 x 13-inch pan.", "Pour chips over top and chill."]
["margarine", "peanut butter", "powdered sugar", "graham crackers", "chocolate chips"]