Chop onion into minced onion.

2. After the water is boiled, pour in the mushrooms, cook for two or three minutes, pick them up, put them in cold water for a while, and then drain the water.

3. Take an empty bowl and pour the drained mushrooms, add appropriate amount of salt, seafood soy sauce, olive oil and sesame oil, mix well and sprinkle with chopped green onion.