Vietnamese CookbookBếp Việt · The Vietnamese Kitchen

Bún Tôm

Bún tôm

Hải Phòng shrimp noodle soup from the lean years — broth built on toasted shrimp shells, finished with dill and tomato; proof thrift can taste rich.

By Vietnamese Cookbook Kitchen · March 13, 2026

Hải Phòng & the Northern CoastThe Subsidy Era era, 1975–1986

Bún TômPhở
Prep
25 min
Cook
50 min
Serves
4
Level
Beginner

Between 1976 and 1986 — the bao cấp or "subsidy" years — northern cooking became an exercise in extracting everything from very little. Rations moved through coupon books, meat was an event, and a port city like Hải Phòng leaned on what the estuary handed over: shrimp, small fish, field greens. Bún tôm belongs to that logic. It refuses to waste the best part of the shrimp, which any thrifty cook will tell you is not the tail meat but the head and shell, toasted and simmered until the broth turns faintly coral. The dish predates hardship and outlived it; the subsidy years just sharpened its arithmetic.

What separates a memorable bún tôm from shrimp-flavored water is a single minute at the stove: toast the shells until they blush before any water touches them. Raw shells simmered give you something thin and gray; toasted ones give the broth color, sweetness, and that seaside smell that pulls people into the kitchen. The rest is assembly — soft noodles, tomato for brightness, and dill in quantities that would alarm a Norwegian.

The heads and shells are the recipe; the shrimp themselves are garnish. If your market sells head-on shrimp, buy them and thank the freezer case — the orange fat in the heads is where this broth gets its color.

Lời đầu bếp · A word from the kitchen

Ingredientsnguyên liệu

Serves 4

Shrimp and broth

  • 600 gshell-on shrimp — about 1¼ lb, head-on if you can get them; IQF frozen is fine and often fresher than the "fresh" counter
  • 20 gdried shrimp — a small handful, rinsed — the bảo cấp cook's insurance policy
  • 300 gpork bones — about 10 oz; optional, but they round the broth
  • 2 Lwater — about 8 cups
  • 3ripe tomatoes — quartered
  • 2shallots — sliced
  • ½ tspground turmeric — for color on the shrimp, not heat
  • 45 mlfish sauce — 3 tbsp, plus more to correct at the end

Bowl

  • 400 gdried bún (rice vermicelli) — 14 oz, cooked per the packet and rinsed
  • 150 gdọc mùng (taro stem) — about 5 oz, peeled, sliced, salted and squeezed; or celery on a hard bias
  • 1generous bunch dill — stems and all, cut into 3 cm lengths — this soup wants a lot
  • 3scallions — cut to match the dill
  • As neededblack pepper and lime wedges

Methodcách làm

  1. Step 1: Peel and keep everything

    Peel the shrimp, pulling the heads off whole, and keep every shell and head in a dry pot. Devein the meat and set it aside — nothing goes in the bin, which is the entire philosophy of the dish.

  2. Step 2: Toast the shells

    Set the pot of shells over medium heat with a film of oil and stir until they turn coral-pink and smell like the seaside, three or four minutes, pressing the heads to crush out their fat. This toast, not the simmer, is where the broth's flavor is decided.

  3. Step 3: Simmer the broth

    Add the pork bones (blanched and rinsed first), dried shrimp, half the shallots, and the water. Simmer gently for 40 minutes, skimming, then strain, pressing hard on the shells before you discard them.

  4. Step 4: Soften the tomatoes

    Fry the remaining shallots in the empty pot, add the tomatoes, and cook until they slump. Return the broth, season with fish sauce, and keep it at a bare simmer.

  5. Step 5: Cook the shrimp last

    Toss the shrimp with turmeric and a splash of fish sauce, then slip them into the simmering broth for ninety seconds — until just curled and opaque. A shrimp cooked twice is a rubber comma; these get one chance.

  6. Step 6: Assemble

    Noodles in the bowls, dọc mùng dipped thirty seconds in the broth, shrimp arranged on top, broth over everything, then an almost reckless layer of dill and scallion, pepper, and lime at the table.

Đồ nghề · The tools

Equipment

All kitchen tools →

  • Tall stockpot (12 qt+)

    Nồi hầm

    Phở 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.

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  • Portable gas burner

    Bếp ga mini

    Lẩu 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.

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  • Fine-mesh skimmer

    Vợt vớt bọt

    Clear 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.

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  • Fine sieve / muslin

    Rây lọc

    For 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.

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Questions from the kitchen

Why dill in a shrimp soup?

Northern habit — anything from the water gets dill, a pairing the Red River delta has kept for generations while the rest of the world associates the herb with Scandinavia. It reads as odd exactly once, then every shrimp soup without it tastes unfinished.

Can I make this with pre-peeled shrimp?

You can, but you've thrown away the broth before you started. Buy shell-on and peel for ten minutes, or supplement bagged peeled shrimp with an extra handful of dried shrimp and accept a paler bowl. The dish is a lesson in shells.

Anything to watch for safety-wise?

Shrimp are shellfish — worth announcing when you serve this to guests, as reactions can be serious. Otherwise the rules are ordinary: thaw frozen shrimp in the fridge, cook until fully opaque, and don't hold the finished soup lukewarm for hours.

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