Low-fat Devil's Chocolate Fudge Cake

Ingredients

 * 1 cup water
 * 1/2 cup prune puree
 * 3 large egg white
 * 1 1/2 tsp vanilla
 * 1 cup flour
 * 2 tbsp flour
 * 1 cup sugar
 * 2 tbsp sugar
 * 3/4 cup unsweetened cocoa powder
 * 1 1/2 tsp baking powder
 * 1/4 tsp baking soda
 * 1/4 tsp salt
 * 2 1/2 cup powdered sugar
 * 1/4 cup unsweetened cocoa powder
 * 1/4 cup 2% lowfat milk

Directions
Preheat oven to 350 °F. Coat a 9-inch square baking pan with vegetable cooking spray; set aside. To make cake, in mixer bowl combine water, prune puree or butter, egg whites and vanilla; beat to blend thoroughly. Add remaining cake ingredients; mix completely. Spread batter in prepared pan; bake about 30 minutes until pick inserted into center comes out clean. Cool on rack. To make icing, in mixer bowl combine powdered sugar, cocoa powder and lowfat milk; beat until smooth. Spread on completely cooled cake. Cut into 3-inch squares.