Brown Sugar Icing
["2 1/2 c. brown sugar", "3 egg whites, stiffly beaten", "3/4 c. water", "1 tsp. vanilla flavoring"]
["Combine sugar and water.", "Boil to soft ball stage (236\u00b0); pour slowly, beating constantly, onto egg whites.", "Add flavoring. Continue beating until icing holds its shape when dropped from spoon."]
["brown sugar", "egg whites", "water", "vanilla flavoring"]