Coat a 9x13 baking pan with cooking spray.

In a shallow glass dish, combine oil, bay leaves, italian seasoning, garlic, salt and pepper. Add chicken, cover and set aside for 10 min.

In a large skillet, saute chicken with marinade for 5 min. or until chicken is well browned. Remove bay leaves, add chopped pepper, onion, broccoli, mushrooms and tomatoes. Simmer for about 5 min.

Cook penne in a pot of boiling water until al dente. Drain and return to pot. Add chicken vegetable mixture.

Stir in spaghetti sauce.

Pour mixture into a baking pan. Top with mozzarella.

Bake at 350°F. for 50 min.