This depends on the cut and firmness of the stockfish, the flesh can either be boiled for a short while with the beef or it can be added to the soup/ stew early so it can soften before the soup is fully ready. In case of other cuts like the whole cod, osan and cut cut, you can either boil in water for 20 minutes , then leave to soak in the water for a few hours Boil with a pressure pot Soak in cold water overnight Types of stock fish in nigeria There are a number of stockfish varieties of available in the Nigerian market, some of which include cod osan fillet / flesh head Ear cut cut