Boiled Frosting
["2 c. sugar", "1 Tbsp. corn syrup", "3/4 c. water", "1/4 tsp. cream of tartar", "2 stiffly beaten egg whites", "1 tsp. vanilla", "pinch of salt"]
["Cook water, sugar, corn syrup and salt over low heat.", "Stir until dissolved.", "Cook until soft-ball stage.", "Gradually add hot syrup to beaten egg whites, beating constantly.", "Add vanilla and beat until frosting is spreading consistency."]
["sugar", "corn syrup", "water", "cream of tartar", "egg whites", "vanilla", "salt"]