Cangnan Pounded-Pork Wrapper Wontons 苍南肉燕
Cangnan Pounded-Pork Wrapper Wontons is featured among the local specialties of Zhejiang.
Cangnan Pounded-Pork Wrapper Wontons (苍南肉燕) are small dumplings whose wrapper is made from pounded pork, a speciality of the alum-mining town of Fanshan (矾山镇) in Cangnan County (苍南县), Wenzhou (温州), Zhejiang. The Chinese name means 'meat swallows': at first glance they look like wontons, but once shaped they resemble a swallow with outspread wings. Fanshan people describe the dish as 'meat wrapped in meat' (肉包肉).
How it is made
Making the wrapper is called 'beating the swallows' (打肉燕). Lean meat from the pig's hind leg is beaten with a round wooden stick, first to mince and then to a paste smooth enough to mould into any shape. Sweet potato starch is added and the beating continues until meat and starch are fully blended; the dough is kneaded until very springy and rolled out as thin as paper. Fanshan cooks want fresh sweet potato starch ground by hand by local farmers, and the ratio of meat to starch, judged by experience, is passed down between generations. Wenzhou News reports that canna starch (芭蕉芋粉) is sometimes used instead of sweet potato starch.
The filling is also lean pork, beaten only to a coarse mince so that it stays distinct from the wrapper, mixed with spring onion and garlic and steeped in seasoning. Zhu Shiqin (朱师勤), whose father Zhu Weitang (朱为唐) began selling rouyan from a handcart in 1945, told People's Daily that forming the wrapper takes more than two hours of pounding with a mallet.
How it is eaten
The wrapper is thin and firm and turns almost transparent in the pot. Fanshan cooks often serve the dumplings with cauliflower in a hot-and-sour soup: the sourness comes from local rice vinegar, a light heat from ground pepper, and the clear broth from pork leg bones simmered for a long time. Rouyan is a fixture of wedding and festival banquets in Cangnan, where it is also called 'peace swallows' (太平燕), a name tied to wishes for safety and family reunion.
Where it comes from
Cangnan News traces rouyan to Pucheng (浦城) in Fujian, with one story set in the Jiajing reign of the Ming dynasty (1522–1566) and another in the Southern Song. Fanshan borders Fuding (福鼎) in Fujian, and the alum trade between the two brought the dish over the provincial line. The making technique was listed as Cangnan county intangible heritage in May 2014, and it is also on Wenzhou's municipal list and in Zhejiang's sixth batch of provincial intangible cultural heritage items. In 2026 the national intellectual property office registered 'Cangnan Rouyan' as a collective trademark.
Sources & reading
Written from the linked sources and fact-checked against them on 2026-09-25. Recipes and servings vary between kitchens.