Preparation:1. Preheat oven to 350 F.2. Place carrots, sweet potatoes, celery, onion, and chicken in large oven-proof roasting pan.3. Top with orange juice, water, oranges, rosemary, salt (if desired), and pepper (if desired).4. Bake, basting occasionally, for 35 to 50 minutes, or until chicken is no longer pink in the middle and juices run clear.