CookingProcedure:1.Placeflourinbowl.Addsaltandwaterslowly.Mixwithfingersandkneadtoformasoftdough.Coverwithdampcloth.Letstandforatleast15minutes.2.Mixmeat,greenonion,ginger,soysauce,saltandsesameoilinabowlandmixitthoroughly.Thenaddchoppedcabbage.Sprinklealittlesaltonit.Thensqueezethewaterouttomakeitdry.)Mixthoroughlytomakefilling.3.Removethedoughtolightlyflouredboard,kneadagainuntilverysmooth.Dividethedoughinto50pieces.Flatteneachpiecewithhandandrollitintoaroundthinpancake(about2-1/2inchdiameter,thecentershouldbethickerthanedges.)Placeoneteaspoonfuloffillingincenter,foldover,andpinchincenterfirst.Thengraspedgesbetweenthumbandindexfingertoseal.4.Boilabout10cupsofwaterindeeppan,afterthewaterstartsboiling,dropdumplingsonebyoneintoboilingwater(nomorethan20dumplingsatatime).Stircarefullywithlargespoontopreventstickingtothebottomofpan.Cookuntilthewaterboilsupagain.5.Add2/3cupofcoldwaterintopanandletitcometoboilagain.Addanother2/3cupcoldwater.Whenitboilsagain,thedumplingisdone.Removethedumplingswithalargeslotterspoontoplate.Servehot.6.Insmallbowlsplacesoysauce,vinegar,redpepperoil.Useasadippingsauce.