Trim excess far from chicken, and sprinkle with pepper.
Coat an electric skillet with cooking spray; allow to heat at medium for 2 minutes.
Add chicken to skillet, and cook 4 minutes on each side or until browned.
Remove chicken; drain on paper rowels, and set aside.
Wipe skillet with a paper rowel recoat with cooking spray.
Add apple, onion, celery, and garlic to skillet.
Cook at medium heat, stirring constantly, until vegetables are tender.
Stir in water and the next 5 ingredients, return chicken to skillet.
Bring to a boil.
Cover; reduce heat, and simmer 40 minutes or until chicken is tender, basting chicken occasionally.
Remove chicken to a serving platter, and keep warm.
Combine orange juice and cornstarch, stirring until blended; stir into skillet.
Bring to a boil, and cook 1 minute or until slightly thickened.
Pour sauce over chicken,- garnish with parsley.