Mini Meatball Soup With Broccoli and Orecchiette

The little meatballs in this cozy soup are just half-teaspoon bits of Italian sausage that needn’t be rolled or browned before being plopped in. As the meatballs cook, the soup takes on the sausage's spices. This recipe is very adaptable: It calls for carrots and broccoli, but use whatever vegetable...