Sichuan cuisine itself originated in Sichuan and Chongqing, and Sichuan cuisine is absolutely the most authentic. And according to cooking school's research on Sichuan cuisine, a Diaoyutai in the north of Chengdu is really particular about cooking Sichuan cuisine. There are many ways to cook a dish, and different ways to make it taste different. This is really a technical job. Moreover, although there are Sichuan dishes in other places, the methods and materials are different, and the taste is different, which is not necessarily authentic.