Seafoam Frosting
["1 1/2 c. light brown sugar", "2 egg whites", "5 Tbsp. cold water", "1 tsp. vanilla", "1 c. chopped nuts (if desired)"]
["Mix in top of double boiler and beat over boiling water with mixer", "for 7 minutes.", "Stir in vanilla.", "Remove from over water and", "stir", "with", "spoon", "until", "of", "desired consistency. (Ready almost", "immediately.)", "Add", "1", "cup chopped nuts, if desired. Spread on cake."]
["light brown sugar", "egg whites", "cold water", "vanilla", "nuts"]