2. Rinse the cut Agrocybe aegerita with cold water, and then soak it in cold water. You can't use hot water, because high temperature will make the aroma of Agrocybe aegerita lose.
3. If you want to speed up the softening of Agrocybe aegerita, you can add a small amount of white sugar to the water and stir it evenly, which can greatly shorten the time. It takes about half an hour to soak the soft dried Agrocybe aegerita completely. After the time, just rinse the dried Agrocybe aegerita with water.