Hot water bar hot water and the dough is also called hot noodles, which is made with boiling water. (Water above 70 degrees can be used.) The nature of hot noodles is the opposite of cold water dough, because the water temperature is higher, the water temperature makes the protein heat denaturation, the gluten is destroyed, resulting in a decrease in hydrophilicity, the gluten is reduced, the starch in the presence of heat and a large number of water solubility, the expansion of the formation of a paste, the viscosity is enhanced. It can make pot sticker, spring cake, fried box, fried cake, siu mai and so on.