Cut the kidney of lamb from the middle, then cut off the white thing in the middle, slice it, marinate it with cooking wine, salt and ginger for half an hour, slice the sour radish for later use, boil the water, soak the marinated kidney in boiling water for a long time, take it out immediately after entering the water, cut the dried pepper into sections, burn oil, stir-fry the dried pepper until fragrant, add vegetables such as sour radish, and cut the onion into sections.