3/4 cup all-purpose flour
1/3 cup baking cocoa
1/3 cup cornstarch
1 teaspoon baking powder
1/2 teaspoon baking soda
1/2 teaspoon salt
2/3 cup granulated sugar
2 large egg whites
1/2 cup evaporated milk
3/4 cup applesauce
1/2 cup light corn syrup
1 1/2 teaspoons vanilla extract, divided use
2 cups powdered sugar, sifted
2 tablespoons baking cocoa
1 tablespoon milk
Vegetable cooking spray

1. Preheat oven at 350?F Grease 9 x 9 x 2-inch baking pan.

2. Sift together flour, unsweetened baking cocoa, cornstarch, baking powder, baking soda and salt in a medium bowl. Mix in sugar; set aside.

3. Combine egg whites with evaporated milk in a large bowl. Mix in applesauce, corn syrup and two thirds of the vanilla. Add flour mixture; blend well.

4. Pour batter into prepared pan and bake 35 minutes or until an inserted toothpick comes out clean. Remove from oven. Cool completely on rack before frosting.

5. Frosting: Sift together powdered sugar and unsweetened baking cocoa. Mix in remaining third vanilla and milk. Beat until smooth, cautiously adding water if needed.