Boiled White Frosting
["2 c. sugar", "1/2 tsp. cream of tartar", "2 egg whites", "3/4 c. water", "vanilla flavoring (optional)"]
["Boil all ingredients except egg whites until at a soft ball stage.", "Cook slowly.", "Beat 2 egg whites until stiff.", "Add boiled mixture slowly to whites while continuing to beat.", "Beat until desired consistency."]
["sugar", "cream of tartar", "egg whites", "water", "vanilla"]