1 1/3 c. sugar
1/2 c. water
1/2 c. marshmallows
3 egg whites
1/8 tsp. salt
1 tsp. vanilla

Boil sugar and water without stirring until syrup spins a thread. Melt marshmallows in syrup. Pour slowly into stiffly beaten egg whites. Add flavoring and salt. Spread thickly over top and sides of 2 (9") layer cakes.