Shengjianbao is more authentic to learn in Shanghai. The Shanghai fried bread is a famous snack in Shanghai, which belongs to Shanghai cuisine. You can eat raw fried buns in most of the breakfast snack stores in Shanghai, the more famous ones are Wang Jia Sha, Xiao Yang Shengjian and so on. The region is the birthplace of raw fried buns, with a long history and unique production techniques.