In China, you will find there are many versions of soup dumplings that come in different flavors and sizes, but the most popular one is Xiao Long Bao. It features a paper thin wrapper filled with a very mild pork filling and a pocket of fragrant soup, served with a gingery vinegar dipping sauce. Xiao Long Bao is a type of dim sum that is traditionally enjoyed as a snack or during a meal as an appetizer or even a main dish.