1, the old roots of Cordyceps sinensis flowers are broken and washed, soaked in clear water 10 minute, blanched in boiling water and cooled in cold water.

2. Wash and shred the shallots.

3. Add salt to Cordyceps sinensis flowers and shredded onion, add a spoonful of white sugar, add proper amount of aged vinegar, add some soy sauce and sesame oil, and mix well.