Cut pork into large pieces and rub with saltpeter, stir-fried brown pepper corn and salt. Put in refrigerator for 3 days (turning twice), until the meat becomes pink and salty.
Boil pork in water for about 3 minutes. Remove, then cook with spiced stock over low heat for 2 hours.
Put pork in a square mold or wrap with a white cloth (the skin should be