Microwave 5 Minute Snowy White Frosting

Combine sugar, water, cream of tartar and salt in 2-cup glass measure.

Microwave 4 to 5 minutes on Medium-high or until mixture boils.

Beat 2 egg whites in small mixer bowl until soft peaks form. Gradually pour in hot syrup; beat about 5 minutes or until thick and fluffy.

Blend in vanilla. Frosts a 12 x 7-inch or two 9-inch layers.