vegetable cooking spray
1 (14 oz.) can low-fat sweetened condensed milk (not evaporated milk)
1/3 c. unsweetened cocoa
3/4 c. semi-sweet chocolate chips
4 egg whites
1/3 c. unsifted flour
1 tsp. baking powder
1 tsp. vanilla

Vanilla Icing:

2 tbsp. soft nonfat butter
1 tbsp. nonfat skim milk
1/2 tsp. vanilla extract
2 c. confectioners sugar

Preheat oven to 350°F. Spray a 13 x 9 x 2-inch baking pan with cooking spray. In a large saucepan over low heat, combine low-fat sweetened condensed milk, cocoa and chips. Stir until chips are melted; remove from heat. Stir in egg whites, flour, baking powder and vanilla; mix well. Turn into prepared pan.

Bake 20 minutes or until center is set. Cool. Spread with Vanilla Icing. Store, covered, at room temperature.

Vanilla Icing: In a small bowl, beat soft nonfat butter, nonfat skim milk, vanilla extract and confectioners sugar until smooth.

Makes 24 servings.