Cook for about 15 minutes.
Of course, it depends on exactly how big the dumplings are and how thick the skin is. The key to seeing when the dumplings are cooked is whether or not the dumplings are floating, and as long as they are floating and cooking for another minute or so, they're ready to go.
To cook all the stuffed dumplings, and distinguish whether the dumplings are cooked through, just wait for the dumplings to float up in the boiling water, a few times the point of cold water, to be the dumplings of the center of the bag convex and ductile, the dumplings skin was remarkable translucent, that is, it is ripe. In addition, the wheat flour you need to roll out the dumplings, if you change to water starch production of tapioca starch vaccine, the taste will be better.