Tortellini Minestrone

Name: Tortellini Minestrone
Ingredients: 1 1/4 pounds Italian turkey sausage links, casings removed; 1 large onion, chopped; 2 garlic cloves, minced; 6 1/2 cups reduced-sodium beef broth; 1 (14.5 ounce) can diced tomatoes, undrained; 2 cups thinly sliced carrots; 1 cup thinly sliced celery; 1 cup ketchup; 1 teaspoon Italian seasoning; 2 cups sliced zucchini; 1 medium green pepper, chopped; 2 cups frozen cheese tortellini; 1/4 cup minced fresh parsley; 2 tablespoons grated Parmesan cheese