Xiaolongbao

小笼包

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Synopsis

Xiaolongbao is the most famous traditional delicacy in Shanghai, also known as Xiaolong mantou. It consists of thin dough wrappers filled with fresh minced pork and savory broth, all steamed to perfection. With thin skin, generous filling, and delicious soup, it is typically enjoyed with a dipping sauce of vinegar and shredded ginger. Nanxiang Xiaolongbao is the most renowned variety, originating from the Tongzhi period of the Qing Dynasty. Eating Xiaolongbao involves a delicate technique: gently lifting, slowly moving, first opening a window, and then sipping the soup—it is a symbol of Shanghai’s culinary culture.

Overview

Xiaolongbao is the most representative traditional delicacy of Shanghai and one of China's most famous dim sum. Xiaolongbao features an extremely thin dough wrapper encasing a fresh pork filling, which includes aspic that melts into a delicious, piping-hot broth after steaming. A steamer typically holds 8 to 10 pieces, each small, exquisite, and translucent—when picked up, one can see the shimmering broth inside through the thin wrapper. To eat it, first bite a small opening at the bottom, carefully suck out the hot, savory broth, and then dip it in vinegar with shredded ginger to savor slowly. The combination of thin skin, tender filling, and flavorful broth creates an unforgettable taste experience.

Xiaolongbao holds an irreplaceable position in Shanghai's culinary culture. It is not only a daily breakfast and snack for Shanghainese but also an integral part of the city's image. From street vendors to high-end restaurants, xiaolongbao can be found almost everywhere in Shanghai's streets and alleys. The standards for a good xiaolongbao are extremely strict—the wrapper must be as thin as a cicada's wing yet unbroken, the pleats should be even and fine (typically 14 to 18), the broth must be flavorful and hot without leaking, and the filling should be fresh, firm, and not crumbly.

Historical Origins

The history of xiaolongbao dates back to the Qing Dynasty. The most famous Nanxiang xiaolongbao originated during the Tongzhi reign (around 1871) and was created by Huang Mingxian, the owner of the Rihuaxuan dim sum shop in Nanxiang Town, Jiading District, Shanghai. Building upon traditional large meat buns, Huang Mingxian innovated by making the buns smaller, the wrappers thinner, and adding aspic, thus creating this small and exquisite soup dumpling. Nanxiang xiaolongbao quickly gained fame and became one of Shanghai's most popular dim sum.

Since then, the craftsmanship of Nanxiang xiaolongbao has been passed down through generations. Around 1900, Nanxiang xiaolongbao spread to urban Shanghai, with several branches opening near the City God Temple. After the founding of the People's Republic of China, Nanxiang xiaolongbao further developed and expanded. Today, Nanxiang xiaolongbao has been listed as an intangible cultural heritage of Shanghai, becoming a golden culinary招牌 of the city.

Main Ingredients

Ingredient	Purpose
Flour	To make the thin wrapper, requiring elasticity and durability
Pork shoulder (front leg)	Main filling ingredient, with a fat-to-lean ratio of about 3:7
Pork skin aspic	Added to the filling, melts into broth after steaming
Ginger juice	Removes gaminess and enhances aroma
Cooking wine	Removes gaminess and enhances freshness
Salt, sugar, soy sauce	Seasoning
Vinegar	Dipping sauce, cuts through richness and enhances flavor
Shredded ginger	Paired with vinegar for dipping, adds aroma and flavor

Production Techniques

Step	Operation	Key Points
Making aspic	Simmer pork skin with water over low heat for 4-5 hours until thickened	Refrigerate until solidified, then chop and mix into filling
Kneading dough	Mix flour with warm water to form a smooth dough	Dough should be soft and elastic
Rolling wrappers	Roll into round wrappers, thicker in the center and thinner at the edges	Wrappers should be thin and even, about 1 mm thick
Mixing filling	Finely chop pork, add seasonings and aspic, mix well	Stir in one direction to develop elasticity
Wrapping	Place filling in wrapper, pleat, and seal	14-18 pleats is the standard
Steaming	Steam in bamboo steamer for 6-8 minutes	Steam until wrappers become semi-transparent

Wrapping xiaolongbao is the most skill-intensive step. A skilled chef can wrap a beautiful xiaolongbao in just a few seconds—holding the wrapper in the left hand, adding the filling, then using the thumb and index finger of the right hand to pleat and finally twist to seal. The pleats must be even and fine, and the seal must be tight to prevent leaks, all in one fluid motion. A standard xiaolongbao has 14 to 18 pleats, with the sealed end resembling a budding flower.

Eating Etiquette

Eating xiaolongbao follows a set of refined steps, summarized by old Shanghainese as: "Gently lift, slowly move, first open a window, then drink the soup." This means to gently lift the xiaolongbao with chopsticks, slowly transfer it to a spoon, bite a small opening at the bottom (the "window"), carefully suck out the broth inside, and finally dip it in vinegar with shredded ginger to eat the whole dumpling. If bitten into directly, the hot broth may splash and burn the mouth.

Cultural Influence

Xiaolongbao has transcended being merely food to become one of the symbols of Shanghai's urban culture. The Nanxiang Mantou Dian (Nanxiang Bun Shop) at Shanghai's City God Temple is the most famous xiaolongbao restaurant, with long queues year-round. In recent years, brands like Din Tai Fung have popularized xiaolongbao globally, allowing diners worldwide to taste this exquisite Chinese dim sum. Xiaolongbao has also inspired many innovative variations, such as crab roe xiaolongbao and black truffle xiaolongbao, showcasing the endless possibilities of traditional cuisine.