Ingredients & Directions
                
     4    Egg whites                      1 1/3 c  Sugar
   1/3 c  Oil                               1/2 c  Cocoa powder
   1/4 c  Nonfat yogurt                   1 1/4 c  Flour
     1 ts Vanilla                           1/4 ts Salt
TOPPING
     1 tb Confectioners sugar            
 Heat oven to 350 degrees.  Oil bottom of 9-inch square pan.  Place egg
 whites in a large bowl.  Beat until slightly frothy.  Add oil, yogurt
 and vanilla, mix well.  Add sugar and cocoa, mix well.  Add flour and
 salt. Mix until blended.  Pour into pan.  Bake at 360 degrees for
 26-28 minutes. Avoid over baking.  Dust with confectioners sugar.
                
                 Yields       
                2 dozen