It is a good choice to use dead noodles and scalded noodles for steamed cotton dishes, but it is not easy to shape in use, so steamed cotton dishes can be made without hair noodles.

Milling refers to the process of making dough fully propagate and generate gas under certain temperature and humidity conditions, thus promoting dough expansion. When yeast converts starch into sugar and consumes it in the aerobic environment inside the dough, it will release carbon dioxide gas.