At the South Gate Store. Located in the South Gate Store restaurant in Xi'an. Wei Jia Liang Pi is a traditional Shaanxi snack whose main ingredients are flour and water. In addition to the simple recipe, seasonings such as tofu skin, sesame sauce, and vinegar are added for a richer flavor. In addition, the process of making Wei Jia Liang Pi has certain skills, which require the proper moisture of the dough and the strength of the rolling to produce a good-tasting, sinewy and chewy Liang Pi.