Tuscan Vegetable Soup

1/2 – 3/4 lbs of Italian Sausage 1 (15-ounce) can low-sodium canellini beans, drained and rinsed 1 tablespoon olive oil 1/2 large onion, diced (about 1 cup) 2 carrots, diced (about 1/2 cup) 2 stalks celery, diced, (about 1/2 cup) 1 small zucchini, diced (about 1 1/2 cups) 1 clove [...]