How to lighten up the soup: There are a few ways you can save on calories and fat for this chicken gnocchi soup, and it doesn't change the overall flavor of the soup. – Use low fat or skim milk instead of full fat milk. – Use half and half instead of heavy cream. – Use reduced sodium chicken broth to reduce the sodium content. – Add more spinach to the chicken gnocchi soup. This will add spinach to your serving and all the health benefits as well!