Magic Cookie Bars
["1/2 c. margarine or butter", "1 1/2 c. graham cracker crumbs", "1 (14 oz.) can condensed milk", "1 c. (6 oz.) semi-sweet chocolate chips", "1 1/3 c. flaked coconut", "1 c. chopped nuts (optional)"]
["Preheat oven to 350\u00b0.", "In a 13 x 9-inch baking pan, melt margarine in oven.", "Sprinkle graham cracker crumbs over margarine. Pour condensed milk evenly over crumbs.", "Top with remaining ingredients, press down firmly.", "Bake 25 to 30 minutes or until lightly browned.", "Cool.", "Chill, if desired.", "Cut into bars.", "Store loosely covered at room temperature."]
["margarine", "graham cracker crumbs", "condensed milk", "semi-sweet chocolate chips", "flaked coconut", "nuts"]