Pineapple Upside Down Cake
["1 pkg. Duncan Hines butter recipe golden cake mix", "1/2 c. margarine", "1 c. brown sugar", "1 (1 lb. 4 oz.) can pineapple slices, drained", "maraschino cherry halves", "Cool Whip", "2/3 c. water", "3 eggs", "1/2 c. margarine"]
["Preheat oven to 375\u00b0.", "Melt 1/2 cup margarine in a 13 x 9 x 2-inch", "pan.", "Sprinkle", "brown sugar evenly in pan.", "Drain fruit, arrange", "pineapple slices and maraschino cherry halves on sugar mixture.", "Mix", "cake", "as", "directed", "on the label with water,", "eggs and", "1/2 cup margarine.", "Do not substitute fruit juice", "for water.", "Beat as directed.", "Pour batter over fruit. Bake at", "375\u00b0 for", "about", "40", "minutes", "until", "tests done with toothpick.", "Let stand", "5 minutes for topping to begin to set, then turn upside down on large plate.", "Serve with Cool Whip."]
["butter", "margarine", "brown sugar", "pineapple", "maraschino cherry halves", "water", "eggs", "margarine"]