Remove casing from Sausage, brown in a 5 qt. Dutch oven. remove sausage and drain. Reserve 1 Tablespoon of the grease in dutch oven. Saute onion and garlic in drippings until tender. Add other ingredients except tortillinis, zucchini,parsley and green pepper. Bring to a boil, reduce heat and simmer uncovered for 30 minutes. Skim fat from soup, stir in zucchini, tortillini, parsley and green pepper. simmer covered an additional 35-40 minutes or until tortillini are tender.
Sprinkle parmesan on each serving.