1 c  Sifted cake flour
1/3 c  Unsweetened cocoa
1 ts Baking soda
1 ts Baking powder
6 lg Egg whites
1 1/3 c  Firmly packed brown sugar
1 c  Unflavored non-fat yogurt
1 ts Vanilla

Deceptively rich tasting, this cake is less than meets the eye. It packs in
flavor without fat. Whipped egg whites and non-fat yogurt lighten up this
version of the classic chocolate cake.

Powdered sugar (for sifting on top when finished)

Preheat oven to 350 degrees. Mix flour, cocoa, baking soda and baking
powder. In a lg bowl, beat whites, brown sugar yogurt and vanilla until
well blended. Stir in flour mixture and beat until evenly moistened.

Pour batter into a nonstick 8-inch square pan (or coat an