Instructions

  1. Rub chicken with oil; sprinkle with pepper and salt.
  2. Place in a greased 11-in. x 7-in. x 2-in. baking dish.
  3. Bake, uncovered, at 425° for 15-20 minutes or until juices run clear.
  4. Meanwhile, in a small bowl, combine cornstarch and sour cream until smooth; set aside.
  5. In a small saucepan, combine the broth, grape juice and onions.
  6. Bring to a boil; cook for 4-5 minutes or until liquid is reduced to 1 cup.
  7. Gradually whisk in the sour cream mixture.
  8. Bring to a boil; cook and stir for 2 minutes or until thickened.
  9. Stir in mustard until blended.