In a stockpot, saute the onions, celery and parsley in oil until tender. Add garlic; cook 1 minute longer. Stir in the broth, tomatoes, tomato sauce, cabbage, carrots, basil, salt and pepper. Bring to a boil. Reduce heat; cover and simmer for 1 hour.
In a large skillet, cook beef over medium heat until no longer pink; drain. Stir into soup along with the zucchini, beans and pasta. Cover and simmer for 15-20 minutes or until vegetables and pasta are tender. Top each serving with cheese. Yield: 20 servings (5 quarts).