Remove the roots of the bean sprouts. Wash gently and drain thoroughly. This is the key step to guaranteeing the dish’s success.
Heat the wok first, and pour in the oil. Add dried chili pepper, to fry over a slow fire until an aromatic, place in garlic and ginger too.
Add Bean sprouts immediately. Quickly fry the bean sprouts and green onion sections, and add salt, light soy sauce, and vinegar. This process should be finished within 30 seconds.