A wholesome, deeply comforting soup crafted from slow-simmered stock, aromatic garden vegetables, and fresh herbs, served with crusty bread.
Slice the fish and chop the pickled mustard greens.
Simmer the stock with ginger, chilies, and greens 10 minutes.
Slide in the fish and poach 2 minutes.
Add the vinegar, pepper, and salt.
Top with spring onions and serve steaming.