In an oven-safe Dutch oven, brown beef in batches in oil; drain. Return all meat to the pan. Add onions, tomatoes, broth, tapioca, garlic, parsley, salt, pepper and bay leaf. Bring to a boil. , Cover stew and bake at 350° for 1 hour. Stir in carrots, potatoes and celery. Bake, covered, 1 hour longer or until meat and vegetables are tender. Discard bay leaf.