Seven Minute Frosting - cooking recipe

Ingredients

3 egg whites
1 1/2 c. granulated sugar
5 Tbsp. cold water
1/4 tsp. cream of tartar
1 tsp. vanilla

Preparation

Place first 4 ingredients in top of double boiler over rapidly boiling water.
Beat with electric mixer for seven (7) minutes or until the mixture holds a peak.
Remove from heat and add vanilla. Beat well and spread on cake.