In a large skillet cook chicken, onion, and garlic in hot margarine or butter over medium heat about 6 minutes or until chicken is brown, turning once. Add orange peel, orange juice, and salt to skillet. Bring to boiling; reduce heat. Cover and simmer for 5 minutes. Sprinkle cinnamon and allspice onto chicken; drizzle with honey. Simmer, uncovered, for 5 to 7 minutes more or until chicken is tender and no longer pink.
Meanwhile, cook couscous according to package directions. Serve with chicken and sauce. If desired, garnish with orange wedges and mint. Makes 4 servings.