1 package of Duncan Hines lemon supreme cake mix 1/2 cup of butter or margarine (1 stick) 1 cup of brown sugar 1 cup of fruit cocktail, drained (1 lb. 12 oz. can) Whipped cream; optional Melt butter in 13 x 9 inch pan. Sprinkle brown sugar evenly in pan. Drain fruit cup. Arrange fruit in sugar mixture. Mix cake as directed on back. Spread batter over fruit. Bake at 350ºF. for 40-45 minutes until cake tests clean with toothpick. Let stand 5 minutes for topping to set. Turn upside down on platter. Serve with whipped cream, if desired.