For the dumpling wrappers
1.Mix the dumpling flour and water until they form a smooth, glossy dough. Wrap in cling wrap and set aside to rest for 30 minutes.
2.Cut the dough into quarters and then roll each one into a long strip. Cut off pieces of dough and then roll each
into a circle.
For the filling
1.Heat some oil in a wok and fry the dried shrimp until they change colour, then remove and set aside.
2.Beat the eggs with 4 tbsp of water. Scramble the eggs in a wok until just cooked and then set aside.
3.Wash and finely chop the chives.
4.In a large bowl, combine the pork mince, chives, eggs, dried shrimp, light soy sauce, spice mix, sesame oil, leeks, ginger, salt, and a little oil until you have a smooth mixture.
5.Fill and seal the dumplings6.To cook the dumplings, bring a large pot of water to the boil. Add the dumplings and cover. When the water comes back to the boil, add a cup of water. Repeat this process two more times until the dumplings are cooked.
Transfer the noodles to a serving bowl and top with the beef and beef soup. Scatter with scallions before serving.