A wholesome, deeply comforting soup crafted from slow-simmered stock, aromatic garden vegetables, and fresh herbs, served with crusty bread.
Boil the ribs, skim the scum, drain and rinse.
Put the ribs, ginger and water in a pot; bring to a boil, then simmer 1 hour.
Add the pickled mustard greens and tomato; simmer 20 minutes.
Taste and add the sugar and salt as needed.
Ladle into bowls and serve hot with the greens.