Chicken With Raspberry Vinegar

Directions

1. 1
   Place each chicken breast half between 2 pieces of clear plastic wrap; pound to 1/8-inch thickness.
2. 2
   In heavy skillet, melt 1 tablespoon of butter until sizzling.
3. 3
   Add chicken breasts; cook on each side about 2 minutes or until chicken is no longer pink. Transfer to heated platter.
4. 4
   Add remaining 1 tablespoon butter, onion and mushrooms to skillet.
5. 5
   Cook, stirring constantly, about 1 minute.
6. 6
   Stir in vinegar, brown sugar and soy sauce.
7. 7
   Heat until blended and bubbly.
8. 8
   Add sour cream; stir until well blended and heated through.
9. 9
   Pour over chicken breasts.
10. 10
    Serves 4.