1, first of all, the mushrooms with water simply rinse clean, according to the cooking needs to cut or tear well.
2. Boil a pot of water and put two or three tablespoons of salt in the water, meanwhile, prepare a basin of clean cold water. When the water in the pot boils pour in the mushrooms, blanch them a little, roll them, and put them into cold water, without waiting until the water in the pot boils again.
3. When the water in the pot is boiled again, take the mushrooms out of the cold water, put them into the boiling water and scald them a little bit, roll them and put them into the cold water, and then you can use them for cooking after they are cooled down.