Required.

The mushrooms need to be blanched and then stir-fried. This can remove the bitter taste of the mushrooms. If you do not blanch the mushrooms, they will not be cooked because they are extremely hard.

The mushroom is a kind of wild vegetable that is not particularly common in our lives. It is a kind of wild vegetable that grows in Hunan. Its price is particularly expensive, but its nutritional value is It is relatively rich and needs to be blanched in advance.