3 Return to a bowl, cover with a damp cloth and rest for 30 minutes before using.
4 To make the filling; combine all the ingredients and leave to marinate for at least 1 hour.
5 Divide the dough and roll out on a lightly oiled bench into ovals, approximately 5 x 6cm. Fill with 1 tsp of the filling then pinch the edges together to form a pouch. (Try to pleat the dough to be authentic.)
6 Steam the dumplings for 7 minutes then serve with soy sauce.