For this soup, buy half a roast duck from the siu mei shop (or your local supplier), but don't let the butcher cut it up. When you get it home, strip the meat in large pieces from the carcass.
first make cuts on the duck breasts' skin with a knife (1), then season with salt and pepper: the cuts will allow the spices to penetrate and flavor the meat better. Melt 1 tbsp of butter in a pan ...