Peanut Butter Bars
["1 lb. 10x sugar", "1 c. peanut butter", "1 c. graham cracker crumbs", "2 sticks margarine, melted"]
["Mix together and pat in a 9 x 13-inch pan.", "Melt 12 ounce bag chocolate chips and spread over top.", "Refrigerate until hardened. Cut into 1-inch squares.", "Not necessary to keep in refrigerator after cut."]
["sugar", "peanut butter", "graham cracker crumbs", "margarine"]