2. Blanch the chicken pieces in the pot with water, and wash the blanched chicken pieces in clean water.
3. Pour out the clear water, and put the onion, shredded ginger and chicken essence in the chicken nuggets for 10 minute.
4. Put the pickled chicken pieces in the pot, and then pour a tin of cola and a proper amount of soy sauce into the pot.
5. Turn it over a few times with a spoon, so that the cola and soy sauce are evenly mixed together, and the fire is simmered.
6. After the soup is boiled, cover the pot with medium fire and simmer slowly. During the stew, turn it over with a shovel. When the soup is pulpy and the chicken pieces are cooked, turn off the fire and take out the pot.