Combine the flour and water to form a soft, smooth dough. Slowly knead in the oil, a little at a time. Form the dough into a ball and cover with plastic wrap. Allow the dough to rest for at least 15 minutes before using.
There are two parts to this filling, the soup and the meat. Traditionally the broth is simmered over low heat for 8 hours to extract the gelatin from the meat and bones. We will use stock and gelatin for the quicker and easier soup.
Combine the gelatin and 1/2 cup of stock. Simmer ginger in the remaining broth for about 10 minutes, remove the ginger and add gelatin, salt and sugar. Stir to dissolve and allow to set completely before using to make part 2 of the filling.
Mix everything together with set broth.
Roll the dough pieces into thin circles with the edges thinner than the center, fill the center with filling and gather all the edged together and pinch to seal.
Steam 6-8 minutes. Yield 20-25 dumplings.