A tart, tomato-red noodle soup built on freshwater paddy crab, with clouds of crab curd, fried tofu and a basket of raw herbs. Hanoi's classic morning bowl.
Bún riêu is the crab and tomato noodle soup that northern Vietnam eats for breakfast, and Hanoi makes the version that set the standard. The base is cua dong, the small freshwater crabs that live in flooded rice paddies. They are pounded whole, shell and all, then strained, and the liquid is heated gently until the protein sets into soft, savory clouds that float on the surface. That is the rieu, and it is the reason for the dish. Around it goes a broth reddened with tomato and soured with giam bong, the lees left after rice wine is made, which gives a rounded, faintly fermented acidity rather than the sharp bite of vinegar. Into the bowl go fresh rice vermicelli, cubes of fried tofu, fried shallot and a small measure of mam tom, the pungent fermented shrimp paste that gives northern cooking its depth. It is served with a plate of raw herbs: split water spinach stems, shredded banana flower, lemon balm and perilla. The whole thing costs the price of a coffee and takes about a minute to arrive.
Main ingredients
The small stalls tucked into the lanes north of the lake, particularly around the silversmith and metalwork streets, serve the traditional version: sour broth, a proper raft of crab curd, minimal extras. Many sell out by late morning and shut. This is the easiest option if you are staying in the center, since almost everything here is a short walk from an Old Quarter hotel.
Around 30,000-45,000d per bowl (roughly US$1.20-1.80)
Market-adjacent places serve fuller bowls, often with pork rolls, cartilage ribs or beef added on top of the crab. The setting is plain, the portions are larger and the prices are still low. Useful if you want a genuine meal rather than a snack, and they tend to stay open later than the Old Quarter stalls.
Around 35,000-55,000d per bowl (roughly US$1.40-2.20)
Larger sit-down places that open all day, with printed menus, proper tables and clearer hygiene. The broth is often slightly milder and sweeter than the lane version, and the toppings menu is longer. A reasonable choice for a first try, or on a day when you do not want to sit on a plastic stool in the rain.
Around 45,000-70,000d per bowl (roughly US$1.80-2.80)
Typical price
~$1–$3 (30,000–70,000₫) Estimate per bowl: around 30,000-50,000d (roughly US$1.20-2) for a standard bowl, rising to about 50,000-70,000d (roughly US$2-2.80) when you add pork rolls, ribs or beef. Prices vary by neighborhood.
An estimate — the price moves with the place, the neighborhood and the hour.
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