Portuguese Soup

This classic soup is a full meal in itself, satisfying in every season. In Portugal they like to use a very green cabbage called couve gallego, but in Brazil this soup became a classic using couve mineira, otherwise known as collard greens. You can substitute spring greens or use curly kale. Some recipes call for starchy potatoes, like the King Edward, Desiree or Maris Piper variety, which are then pureed with the chicken stock. But I think a young potato adds a more delicate