2, the more the sticky sticky rice will be, the more delicious the package of rice dumplings. In other words, as long as the method of soaking rice is correct, the longer the rice soaked in the package dumplings, the better, at least to soak for about 3 hours. The correct practice is to submerge the glutinous rice with water, change the water 2 to 3 times a day, soak for a few days before wrapping the dumplings, due to the cell water absorption will be the cell wall expansion, viscous components are released, which can make the dumplings unusually sticky and soft. As long as you insist on changing the water every day, the glutinous rice will not deteriorate, but the amount of water should be enough, otherwise the rice sucks up enough water after exposure to the air, the rice grain will be pulverized.