buy the first pig, wash it, and remove the foreign hairs that have not been cleaned.

Add bittern into a pot or barrel, and you can make bittern by yourself. There are 2 barrels of clear water, 5g of ginger, 3kg of pig bones, 2 chicken racks, and half a catty of ducks. Boil them with high fire, remove floating foam, reduce the fire for 1 hour, split the pig's head in half, add bittern, add spices, 5g of star anise, 5g of pepper, 2g of fennel, 2g of tsaoko, and fennel. 15g of piper longum, 15g of Alpinia officinarum, 1g of Alpinia officinarum, 2g of Glycyrrhiza uralensis Fisch, 5g of capsicum, wrapped in gauze, put into a bucket, add 3ml of cooking wine, 5g of ginger, 2g of vinegar and 38g of salt, fire, boil the pig's head, boil over high fire, and turn off the fire for 15min.

Take out the pig's head, take out the pig's head bone with clean pliers, then add brine, small fire brine, add sugar color, don't take it out after marinating for about 1 hour, leave it for half an hour and then take it out, slice the marinated pig's head, and add shallots, garlic juice, vinegar, sesame oil and coriander.