2 egg whites
1 1/2 c. sugar
1 tbsp. corn syrup (light)
1 tbsp. lemon juice
5 tbsp. cold water
Dash of salt
Vanilla, added last, if desired

Mix in top of double boiler (covered). Boil 3 minutes without stirring. Remove from heat and beat over hot water for 5 minutes at high speed. Remove from hot water and continue beating 5 minutes more and add vanilla. Spread on large cake.