Italian sausage soup, as the name suggests, originated in Italy, hundreds of years ago. As per a majority of Italian sausage soup recipes, the main ingredient used in making this soup is sausages. The process as to how to make Italian sausage soup involves, cutting the sausages into small pieces and boiling them with a variety of ingredients. Italian sausage soup is ready to be consumed immediately or can be refrigerated for later use. This is a healthy and nutritious soup that is ideal for people in all age groups. The best part is that it can be made in such a way that it contains a low amount of fat and salt thereby making it ideal for people who are watching their weight.