Xiaolongbao: Shanghai's Essential Dish
Xiaolongbao (soup dumplings) are Shanghai's most famous food export, and the city takes its version seriously enough that there's genuine local debate about the best spot — the trick with eating them properly is to bite a small hole first and sip the broth before eating the rest, rather than popping the whole dumpling in and burning yourself on the hot soup inside, which is the classic tourist mistake.
A hands-on xiaolongbao or dumpling-making class is a popular way to get both the dish and the technique explained properly rather than guessing at a restaurant table, and pairs well with a Suzhou day trip for travelers who want to combine a cooking lesson with the canal-town sightseeing.