1. It usually takes one and a half to two hours to cook ordinary rice porridge in casserole.

2. When the newly bought casserole is used for the first time, it is best to cook porridge, or pour a pot of rice washing water into the casserole and cook for more than fifteen minutes until the rice washing water thickens, which can block the fine pores of the casserole and prevent the casserole from oozing out in the future use process.