2. It is necessary to soak the sea cucumber with purified water in advance and wash the medlar with clean water.
The next step is to deal with yam. It is necessary to clean the yam, then peel it and cut it into pieces.
4. Put all the ingredients into an iron pot, add appropriate amount of water to the pot, and then add appropriate amount of salt and mix well.
5. Then add a proper amount of thick soup treasure to the pot that is almost ready, and a spoonful can be used.
6. Cover and adjust the temperature and time. It usually takes 40 minutes to cook. It's convenient to cook soup in an iron pot at home, which is nutritious and delicious.