Seven Minute Icing
["2 egg whites", "1 1/2 c. sugar", "1/4 tsp. cream of tartar or 1 tsp. light corn syrup", "1/3 c. water", "1 tsp. vanilla"]
["Combine egg whites, sugar, cream or tartar or corn syrup and water into a pot.", "Cook at low heat.", "Stir until well mixed.", "Beat at high speed for 1 minute with an electric mixer.", "Beat on low speed for 7 minutes.", "Remove from heat and add vanilla; beat until it stands in peaks.", "Spread on cool cake between layers and sprinkle coconut on top."]
["egg whites", "sugar", "cream of tartar", "water", "vanilla"]