Wondering what to do with leftover turkey? Look no further than this deliciously hearty soup Grab the leftovers and add some fresh herbs and broth and head to your slow cooker for a nearly effortless dish that the whole family will enjoy. Or take a look at the stovetop instructions if you need a faster soup. Serve the soup with crusty french bread or biscuits. It's an excellent lunch soup as well. Add a sandwich or salad for a well-balanced meal.