Creamy Tortellini and Sausage Soup

Name: Creamy Tortellini and Sausage Soup
Ingredients: Olive oil; 1 small yellow onion chopped; 3 cloves garlic minced; 6 chicken sausage links I used a garlic and mozzarella variety, sliced; 4 cups chicken broth; 1 28 ounce can diced tomatoes undrained; 1 14 ounce can tomato sauce; 1 large zucchini sliced; 19 ounces frozen tortellini; 4 cups baby spinach; ½ cup heavy cream; ½ cup Parmesan cheese; ¼ cup fresh basil roughly chopped; 2 Tablespoons fresh parsley roughly chopped; Salt and Pepper to taste; Additional basil and Parmesan cheese for topping