The easiest way is to buy a handmade noodle, boil it in water, and then rinse it with cold water. Put oil in the pan, heat it, add shredded onion and stir well, then add bean sprouts and stir well. Add vegetables according to personal preference, and finally put the cooked noodles into the pot and stir fry. Add soy sauce, oyster sauce, miso and other seasonings, stir well, and then take out the pot.