First of all, the duck meat is cleaned and scalded with boiling water for about three times, so that the skin will be more elastic.
Secondly, the duck meat should be air-dried for a period of time and then coated with sauce, and then it should be air-dried, then coated with another layer and air-dried. After repeating it three times, it should be baked in the oven for about 50 minutes until the skin becomes golden and crisp.
Peking roast duck