Will become fluffy and soft, and taste more delicious. During the fermentation process, the fermented noodles will produce carbon dioxide gas, making the noodles fluffy and soft. At the same time, the yeast in the dough will also release flavor substances at high temperature, making the noodles more delicious. Flour noodles are easier to cook because the yeast in flour has broken down the starch and sugar in flour into small molecules, which makes noodles easier to cook. Generally speaking, cooked noodles are more delicious, fluffy and soft, and easier to cook.