To make this recipe gluten-free. Swap out the regular tortellini. For a gluten-free variety. Available at most grocery stores. You can also substitute. The flour used to thicken the soup. With cornstarch (use about half the amount). Additionally, check your sausage. And broth labels. To ensure they are gluten-free. With these easy changes. You can enjoy the same rich. And creamy flavors of this soup. Without the gluten!