1. Wash the fish, cut into pieces, marinate with ginger and pepper for half an hour
2. Pour oil in the pan and stir-fry the fish in the pan
3. After the fish is cooked for 7 minutes, add water and simmer
4. Cut tofu, cut shiitake mushrooms
5. Add tofu, carrots, rapeseed, winter melon, shiitake mushrooms, tofu, stew for half an hour, add salt
