In a large skillet, cook beef in oil over medium heat until meat is no longer pink; drain. Stir in the broth, tomatoes, green pepper, onion, garlic, Worcestershire sauce and seasonings. Bring to a boil; reduce heat. Cover and simmer for 1 hour or until meat is tender.
Discard bay leaf. Combine cornstarch and water until smooth; stir into meat mixture. Bring to a boil; cook and stir for 2 minutes or until thickened. Serve with rice or noodles.