Egg White Icing - cooking recipe

Ingredients

3 egg whites
1/2 teaspoon cream of tartar
1 (16 ounce) box confectioners powdered sugar

Preparation

In a large bowl combine all ingredients.
Beat 7 minutes with an electric mixer until smooth and thick.
A good test is when a knife blade drawn through the icing leave a clean cut.
Store in a tightly sealed container if you are not using it right away.