◇ Chinese-style salty rice dumplings need to be thawed beforehand. Frozen rice dumplings have a high density and need twice the time ◇ Use the perforated baking tray to steam the dumplings, the water vapor convection effect is good, and the efficiency of not accumulating water is good ◇ Zongzi is a kind of rice food that contains meat, and the frozen texture has a high density. It is recommended to defrost before steaming ◇ High temperature and high pressure saturated water vapor, water molecules are fine and penetrating, and the taste of glutinous rice is good