1. Cut the dried fern root powder to make it easier to eat.
2. Soak in cold water for 10 minutes.
3. To prepare the seasoning, it is best to put cold boiled water in the refrigerator and freeze it in advance.
4. Put the soaked fern root powder into boiling water and cook for 8 minutes.
5. Put it in cold boiled water and pass it over to make it smoother.
6. Drain the water.
7. Put in various seasonings and stir.
