Green mountains and green waters tofu pudding smile Zen tofu fish. According to the information of the US Mission. Com, the tofu fish on the first floor of Darongcheng, Chongqing is called Qingshan Mung Bean Flower Laughing Zen Bean Fish. The brand originated from the dock and flourished in the main city of the mountain city with prosperous dock culture. Tofu brain fish added potato rot to fish hot pot, which fully absorbed the spicy taste of red oil and the fresh flavor of fish, and also added litsea nut to make ordinary tofu brain delicious.