2. Heat the wok at a constant temperature with a big fire, brush a layer of oil with a brush, fry the salted beef for 2 minutes, and turn it over for the same 2 minutes.
3. Sprinkle a proper amount of black pepper on the flip, add a proper amount of salt to taste, sprinkle salt and black pepper on the other side after 2 minutes, and fry on both sides 1 minute.