Seven Minute Frosting - cooking recipe

Ingredients

1 1/2 cups sugar
1/2 teaspoon cream of tarter
1/3 cup water
2 egg whites
1 teaspoon vanilla flavoring

Preparation

Mix all ingredients, except vanilla, cook for 7 minutes in double boiler, beating constantly at high speed.
Remove from heat. Add vanilla and beat until fluffy.
Frost cake.