Divided into star anise, cinnamon, fennel, licorice, kaempferia, etc. Divide into two parts, put them into gauze bags and tie them tightly. Ginger is washed and mashed, and it is tied up from washing. Roast the rock sugar on the fire, break it, put it in the pot with the oil, fry it until it is dark red, add boiling water and stir it evenly to become a sugar color. Add fresh soup to the pot, add onion, ginger, salt, monosodium glutamate and sugar color, then add spice packets and cook over low heat until it smells fragrant.

Nanjing roast duck is one of the traditional cuisines in Nanjing. People in Nanjing eat roast duck, paying attention to crispy skin and tender meat, fat but not greasy. Most duck shops in Nanjing sell red and white flavors, the red one is smoked and the white one is pickled, which is the famous salted duck, so there is also osmanthus white brine. Nanjing people always like to eat roast duck _ cold-cut duck _ skeleton simmer soup. Nanjing roast duck should be hung in a special oven, so it is also called hanging oven roast duck. Nanjing people entertain guests temporarily. If they are not in a hurry to prepare food at home, they usually chop up a bowl of salted duck or roast duck.