Cut the fish fillets in small pieces and place them in a casserole with 1 liter of water.
When the water is boiling add the sake and the soy sauce and all the spices.
Lower the temperature to low heat and after 3 minutes place the fish on a place.
Wash the mushrooms and cut them in half. If you use dried shitake mushrooms let them swell in the water before dividing them.
Wash and cut the celery, onions and the cabbage. Add them in the water and cook for 10 minutes on low heat.
Add the noodle after 5 minutes, and right before its done add the fish and freshly cut coriander and chervil.