The casserole takes about three to four hours to soak for the first time. In the process of making casserole, not every product is complete, and because there will be some earthy smell in the process of making casserole, there will usually be some tiny cracks, which will easily lead to water seepage and bursting during use. Before use, it should be soaked in concentrated rice washing water for about three to four hours to plug the tiny cracks in the casserole, prevent water seepage and remove the earthy smell.

Casserole:

Due to the problems of manufacturing technology and raw materials, the traditional casserole is not resistant to the change of temperature difference, easy to burst and cannot be dry-burned. Aiming at this problem of traditional casserole, in recent ten years, after research and improvement, spodumene was added into raw materials to make a high-temperature resistant casserole, which can withstand hundreds of degrees of high temperature without cracking while maintaining its original advantages, greatly improving the practicality of casserole.

The traditional casserole is a kind of pottery. The invention of Tao is an epoch-making symbol in the development history of human society and the greatest invention of human development. Legend has it that Emperor Yao invented the casserole, which has a history of thousands of years.

Archaeological findings show that as early as the Neolithic Age, people began to use sand-filled pottery (similar to casserole). Sand-mixed pottery is a common kind of pottery in Neolithic Age, mainly red pottery and gray pottery. After the improvement of past dynasties, sand pottery has evolved into the casserole we use now.