2. Clean the pig's head and soak it for two hours to make the blood settle.
3. Put the soaked pig's head into a pot, add ginger and cooking wine, boil to remove foam, fish out and wash.
4. Put the soaked pig's head into the pot again, add ginger slices, scallion segments, dashi (dashi cinnamon, sesame leaves, cloves, fennel, ginger, peppercorns, dried chili peppers, Angelica dahurica, fruits of the grass), half a spoonful of salt, twenty pieces of rock sugar, half a spoonful of soya sauce, a spoonful of dark soy sauce, seasoning, half an hour of high heat, one hour of low heat, smothered overnight.
5. smothered overnight pig's head and red and bright, fished out.
6. Pork head de-boned, plated.