Frosted Chocolate Brownies

Directions

1. 1
   Beat margarine at medium speed of an electric mixer until fluffy.
2. 2
   Gradually add sugar.
3. 3
   Beat well.
4. 4
   Add egg whites, sour cream, milk and vanilla extract.
5. 5
   Combine flour and next 3 ingredients in small bowl.
6. 6
   Add flour mix to creamed mix.
7. 7
   Pour batter into a 13 x 9 x 2-inch pan.
8. 8
   Bake at 350° for 25 minutes. Cool on wire rack.
9. 9
   Spread frosting on cooled brownies.
10. 10
    Cut into squares.
11. 11
    Yields 24 servings (183 calories; 19% from fat).