1. Generally, mushrooms can be eaten after boiling water for 5 minutes. If cooked for too long, the unique taste and chewiness of the mushrooms will be lost.

2. But the mushrooms should be foamed before cooking. The processing time is 3 hours at room temperature of 25 degrees.

3. If the temperature is lower in winter, you have to soak it for up to 6 hours before cooking it.