Seven Minute Icing - cooking recipe

Ingredients

1 1/2 c. sugar
3 egg whites, unbeaten
1 1/2 tsp. vanilla flavoring
1/4 tsp. salt
4 1/2 Tbsp. water

Preparation

Combine ingredients and cook in double boiler, beating constantly with hand mixer for 7 minutes.
Scrape bottom and sides constantly with spoon.
Icing should be smooth, but stiff.
Will cover a layer cake generously.