Beat Together & Set Aside:

6 egg whites
1 1/2 C. nonfat yogurt
1 tsp. vanilla

Sift Together:

1 1/2 C. sifted flour
8 heaping T. Dutch Cocoa
1 1/2 C. sugar
1 1/2 tsp. soda
1 1/2 tsp. salt

Blend all ingredients together until smooth. Pour into 10″ pan sprayed with cooking spray. Bake in oven pre-heated to 350 degrees for 30-40 minutes. Cool in pan on rack and remove when completely cool.