Peanut Butter Bars
["2 c. graham cracker crumbs", "1 lb. powdered sugar", "1 c. peanut butter", "2 sticks melted margarine", "2 c. chocolate chips"]
["Mix all ingredients except chocolate chips.", "Pat in pan. Melt chocolate chips in", "microwave and spread over peanut butter mixture.", "Cool."]
["graham cracker crumbs", "powdered sugar", "peanut butter", "margarine", "chocolate chips"]