Seven Minute Frosting - cooking recipe

Ingredients

2 egg whites
1 1/2 c. sugar
1/4 tsp. cream of tartar
1/3 c. cold water
1/8 tsp. salt
1 tsp. vanilla

Preparation

In a double boiler, combine all of the ingredients except vanilla.
Stir well; beat at high speed over boiling water (keeping water from touching bottom of pan), until frosting forms soft peaks.
Remove from boiler; continue to beat on low speed until cool and frosting forms stiff peaks, 3 to 4 minutes.