Pineapple Frosting Cake
["2 eggs (separate yolks and whites)", "1 box yellow or pineapple cake mix", "1 c. sugar", "1 (15 oz.) can pineapple (undrained)"]
["Follow directions on cake mix box; add yolks. Bake in 4 layers.", "Whip egg whites until stiff.", "Cook sugar and pineapple over slow heat until thick.", "Pour hot mixture over egg whites, stirring it together.", "This makes enough to frost 4 layers."]
["eggs", "pineapple", "sugar", "pineapple"]