Wash and chop pork into powder, add oyster sauce, soy sauce, cooking wine, sesame oil, pepper powder, ginger juice, mushroom essence and starch, mix well and marinate for 10 minute.
Soak mushrooms in hot water until soft, wash scallops and soak them in clear water until soft.
Wash and shred soaked mushrooms, wash soaked scallops, push them away with the back of a knife, peel and shred carrots, and cut into pieces.
Mix the prepared ingredients with the pickled pork and make pancakes.
Mix all the ingredients of the dough and knead it into a smooth dough.
Put in a container, cover with plastic wrap and ferment for one hour.
Prepare stuffing.
After the dough is fermented, roll it into thin slices with a rolling pin and coat it with a thin layer of lard.