It is normal for the water after the Gong Cai is soaked to be light green.
How to soak the hair: Take an appropriate amount of dried tribute vegetables, soak in warm water for 30-40 minutes, and filter in boiling water before eating.
Preparation of cold tribute dishes: 1. Cut the soaked tribute vegetables into sections and place them on a plate. 2. Add vinegar, soy sauce, salt and drizzle with sesame oil. 3. Add the right amount of oil pepper.