Sour Cream Chicken Marinade

1/2 cup sour cream
1/4 cup wine vinegar
2 teaspoons mustard
1/2 teaspoon celery salt
1/4 teaspoon lemon juice
dash ground black pepper

Combine lemon juice, mustard and black pepper. Brush over chicken. In a small bowl combine sour cream, wine vinegar and celery salt. Pour marinade over chicken. Cover and place in refrigerator for 6-8 hours. Grill as desired.