Xi'an is famous for its jiaozi, a sort of dumpling.  Jiaozi  is a kind of newly created well-known feast of local flavor on the basis of the traditional dumpling recipe.  It's a beautiful version of Ravioli with different ingredients like chicken, seafood, vegetables or various kind of meats.  It is indeed a mixed combination of good-looking, good smelling and delicate good taste - sweet and rich in nutrition.