Casserole porridge is a traditional dish of the Han people, and the casserole porridge in Guangdong and Fujian is the most famous. Preface to the porridge: China is an ancient civilization in the world and also a great gourmet country in the world. Porridge is one of my country's traditional staple foods. People have a long history of eating porridge. In China's four thousand years of written history, porridge has always been with us. The earliest written text about porridge was found in the Book of Zhou: “The Yellow Emperor began to cook grains to make porridge.