Blanching can remove the fishy flavor of the flat mushroom itself. When blanching, you can add a proper amount of salt and blanch for a minute in boiling water. When dealing with flat mushrooms, remove their roots and soak them in salted water for four to five minutes, then rinse them well.

When stir-frying flat mushrooms, flat mushrooms are easy to get out of the water can be added to the appropriate amount of water starch to collect juice. Cooked mushrooms can be stored in the refrigerator.