2. Heat oil in a wok, add pepper powder and chopped green onion, then add Chinese cabbage slices and stir fry. When the Chinese cabbage slices are shiny, add fungus, soy sauce, salt and monosodium glutamate, and stir fry evenly. Stir-fry until the Chinese cabbage slices and fungus taste, thicken with wet starch, and take out.