1. Preheat oven to 325 degrees F (165 degrees C).
2. Arrange chicken in an 11x17 inch baking dish. In a medium bowl, combine the cranberry sauce, soup mix, salad dressing, sugar and ground black pepper. Mix well and spoon mixture over chicken.
3. Cover dish and bake at 325 degrees F (165 degrees C) for 1 to 1 1/2 hours, or until chicken is cooked through and juices run clear.