Bún Bò Huế
Bún bò Huế
Huế's lemongrass-annatto noodle soup — beef shank, pork hock, and a fermented-shrimp depth handled honestly for kitchens far from the Perfume River.
By Vietnamese Cookbook Kitchen · July 2, 2026
Huế & the Imperial CourtNguyễn & the Huế Court era, 1802–1883
Phở- Prep
- 45 min
- Cook
- 180 min
- Serves
- 6
- Level
- Intermediate
Huế was the seat of the Nguyễn dynasty from 1802 to 1945, and its kitchens still carry the habits of a capital — precision, presentation, and a taste for chili that the emperors' cooks did nothing to discourage. Bún bò Huế is not a palace dish, though; it belongs to the city around the palace. The story goes that it began in Vân Cù, a noodle-making village outside town, with a woman remembered only as Cô Bún — a legend, and worth repeating as one. What is documented is simpler: by the twentieth century this soup was Huế's morning signature, and central Vietnamese cooks carried it everywhere they went.
Three things make it itself: lemongrass bruised into the broth, annatto oil for that lacquered red, and mắm ruốc — fermented shrimp paste — for a depth nothing else supplies. Handle the mắm ruốc with respect, not fear: settled in water and simmered long, it becomes savor, not smell. The broth should arrive at the table one notch too bold, because the noodles and herbs will talk it down. Huế cooks like their soup to argue a little.
Dilute the mắm ruốc in a bowl of water and let it sit while the broth simmers — the sand and solids sink, and you pour off only the clear liquor. That one habit is the difference between depth and mud.
Lời đầu bếp · A word from the kitchen
Ingredientsnguyên liệu
Serves 6
Broth
- 1 kgbeef shank (bắp bò) — about 2¼ lb, in one piece — it slices cleanly after simmering and chilling briefly
- 800 gpork hocks (giò heo) — about 1¾ lb, sawed into 3 cm rounds; ask the butcher, this is a normal request
- 1 kgbeef or pork bones — knuckle or marrow bones; blanched first, they keep the broth clear
- 6lemongrass stalks — bruised with the flat of a knife and tied in a bundle — bruising, not chopping, is what releases the oil
- 1yellow onion — halved, lightly charred over a flame or under the broiler
- 2 tbspmắm ruốc (fermented shrimp paste) — the Huế jarred kind if your market has it; see the FAQ for what to do if it doesn't
- 30 grock sugar — about 2 tbsp; white sugar works
- 3 tbspfish sauce (nước mắm) — 45 ml, added at the end and adjusted by taste
Annatto-chili oil
- 60 mlneutral oil — 4 tbsp
- 1 tbspannatto seeds (hạt điều màu) — sold in Latin markets as achiote — this is the soup's famous color, not its heat
- 2 tbspminced lemongrass, shallot, and garlic — roughly equal parts
- 1 tbspchili flakes — start here; Huế would use more
Bowl and table
- 800 gthick round rice noodles (bún bò Huế noodles) — the fat, spaghetti-round kind — not phở flats, not thin vermicelli; cooked per the package
- 1small red onion — sliced paper thin and soaked in cold water
- As neededbanana blossom, bean sprouts, rau răm, mint, lime wedges — the herb plate; shredded red cabbage is the honest stand-in for banana blossom abroad
Methodcách làm
Step 1: Blanch the bones and hocks
Cover the bones and hocks with cold water, bring to a hard boil for five minutes, then drain, rinse, and scrub the pot. It feels wasteful and it is the whole secret to a broth that isn't grey.
Step 2: Build the lemongrass broth
Return bones, hocks, and the whole shank to the pot with 4 liters of water, the lemongrass bundle, and the charred onion. Simmer gently — lazy bubbles, never a boil. Pull the shank at 90 minutes and the hocks when tender, around 2 hours; let the bones keep going.
Step 3: Add the mắm ruốc, settled
Stir the mắm ruốc into 250 ml of cool water and let it stand 20 minutes. Pour the clear top liquid into the broth and leave the sludge behind. Add it mid-simmer, not at the end — an hour of cooking rounds its funk into something people who claim to hate shrimp paste will ask about.
Step 4: Make the annatto-chili oil
Warm the oil with the annatto seeds over low heat until it turns the color of a monk's robe, then strain out the seeds. Fry the minced lemongrass, shallot, and garlic in the red oil until fragrant, add the chili flakes, and cut the heat. Stir two-thirds into the broth; the rest goes on the table.
Step 5: Season and slice
Strain the broth if you want Huế elegance, then season with rock sugar, fish sauce, and salt until it tastes just past assertive — the noodles will dilute it. Slice the chilled shank thin across the grain.
Step 6: Assemble hot
Noodles in the bowl, shank and a hock round on top, red onion over that, then broth at a full boil so it warms the meat through. The herb plate, lime, and chili oil travel to the table — the last seasoning belongs to the eater, not the cook.
Đồ nghề · The tools
Equipment
Tall stockpot (12 qt+)
Nồi hầmPhở is a marathon of bones and water, and a wide pot evaporates your broth away. Go tall and narrow — the depth keeps a lazy simmer lazy for six hours.
Shop on Amazon →Portable gas burner
Bếp ga miniLẩu is not lẩu if someone has to keep walking to the stove. The tabletop butane burner turns a pot of broth into a two-hour dinner party.
Shop on Amazon →Fine-mesh skimmer
Vợt vớt bọtClear phở broth is not a trick, it is patience with a skimmer — take the scum off early and often and the pot rewards you with glass.
Shop on Amazon →Mandoline
Bàn bàoĐồ chua lives or dies on evenness — carrot and daikon cut to the same whisper-thin matchstick pickle at the same speed. Use the guard; every Vietnamese grandmother has the scar that says otherwise.
Shop on Amazon →Fine sieve / muslin
Rây lọcFor straining broth crystal-clear, squeezing coconut milk, and working tamarind pulp through into pure sour. Line it with muslin when the recipe says “clear” and means it.
Shop on Amazon →
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Questions from the kitchen
I can't find mắm ruốc. Can I skip it?
You can, and the soup will still be good — it just won't have the low hum that makes bún bò Huế taste like Huế. The closest substitute is a teaspoon of Thai shrimp paste (gapi) dissolved the same settled way; it's sharper, so use half as much. Extra fish sauce covers the salt but not the depth.
How is this different from phở?
Almost completely. Phở is a northern beef broth built on charred ginger and warm spices, served quiet so the beef can speak. Bún bò Huế is lemongrass, chili, and fermented shrimp over thick round noodles, with pork in the pot alongside the beef. They share a country and a noodle aisle, not a flavor.
What about the cubes of blood and the beef balls?
Huyết — congealed pork blood, simmered and cubed — is traditional and beloved, and chả (pork sausage) is a common add. Both are drop-in extras from a Vietnamese market, poached briefly in the broth before serving. The recipe stands without them; the bowl in Huế usually doesn't.
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