No stick cooking spray
1 1/3 c  Flour
1/2 c  Unsweetened cocoa
1/4 c  Argo Corn Starch
1 ts Baking powder
1/2 ts Baking soda
1/2 ts Salt
1 1/4 c  Sugar
1 c  Water
3    Egg whites
1/2 c  Karo light Corn Syrup

Preheat oven to 350F. Spray 9×9-inch square baking pan with cooking spray.
In a large bowl combine flour, cocoa, cornstarch, baking powder and salt.
In a medium bowl with wire whisk or fork, stir together sugar and water 1
minute. Add egg whites and corn syrup; stir until blended. Gradually stir
into dry ingredients until smooth. Pour into pan. Bake 35 minutes or until
toothpick inserted into center of cake comes out clean. Cool. If desired,
sprinkle with confectioners sugar. Makes 16 servings.