The dumplings are cooked when they float.

Because at the beginning of the density of the dumplings is greater than the density of the water, so the dumplings will sink, to the cooked dumplings will have a lot of air into the dumplings, so that the density of the dumplings will be reduced, and slowly will be floating, so the floating is basically already cooked.

Cooking dumplings notes

Life cooking dumplings are generally using hot water, should not use cold water to cook, otherwise the dumplings cooked out of either raw or paste, need to master the "boiling water, under the fire to cook" method, when the dumplings under the pot, turn the fire down a little bit, and then the dumplings will be cooked. After, the fire will be turned down, or add some cold water, so that the water to maintain a kind of seemingly open non-open state.

Generally need to add 2-3 times of cold water, because the first water in the first water, add cold water, you can let the dumplings in the heat and sudden cold stimulation, rapid condensation of the epidermis, so that the repeated operation 2-3 times, you can let the dumplings skin tight, soft and smooth mouth.