These dumplings are fashioned after the rustic northern Chinese dumplings, so the skins are thicker and the filling is coarser than the Cantonese variety.
Prepare filling. Combine filling ingredients except corn flour. Add seasoning to taste then add corn flour to bind lightly. Set aside.
Prepare soei gau dough. Mix flour, salt and water together to form a dough. Roll out on a floured surface into a cylinder. Divide into 24 equal pieces.
Roll each dough piece out into a thin, round skin. Dust skins