Boil the barbels in salt and water till done; pour off some of the water, and, to the remainder, put the ingredients mentioned above. Simmer gently for 1/2 hour, or rather more, and strain. Put in the fish; heat it gradually; but do not let it boil, or it will be broken.
Time: Altogether 1 hour.
Sufficient for 4 persons.
Seasonable from September to November.