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VietnameseNon-veg

Pho Bo (Beef Noodle Soup)

Aromatic beef broth with rice noodles, herbs and rare steak.

240 min4 serveshard

Pho Bo (Beef Noodle Soup) is a classic protein-forward Vietnamese recipe built around beef bones, beef sirloin and rice noodles. It serves 4 and comes together in roughly 240 minutes from prep to plate. It is on the ambitious end — plan for about 240 minutes and read the method through once before you start, so the timing on each stage lines up. The method leans on slow simmering, which is what gives the finished dish its signature texture and depth.

The headline ingredients here are beef bones, beef sirloin and rice noodles. Spend a little time choosing well: fresher, more carefully-sourced versions of these will lift the whole plate, while every other element is mostly there to support them. A few sensible swaps: beef bones can be replaced with a similar-cut alternative, just keep the fat content roughly the same and beef sirloin can be replaced with a similar-cut alternative, just keep the fat content roughly the same.

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Nutrition · per serving

520

kcal

32g

Protein

62g

Carbs

14g

Fat

beefnoodlessoupclassic

Ingredients

  • beef boneskey1.5 kg
  • beef sirloinkey300 g
  • rice noodleskey400 g flat
  • star anise4
  • cinnamon1 stick
  • ginger1 large piece charred
  • fish sauce4 tbsp
  • thai basil1 cup

Method

  1. 1
    Step 1 ~60 min

    Char ginger and onion until blackened.

  2. 2
    Step 2 ~60 min

    Simmer bones with charred aromatics + spices 3 h; skim often.

  3. 3
    Step 3 ~60 min

    Strain broth; season with fish sauce.

  4. 4
    Step 4 ~61 min

    Cook noodles; top with raw thin-sliced sirloin; pour boiling broth; finish with herbs and lime.

Per-step times are approximate and based on the total cook time of 240 minutes.

Pro tips & common mistakes

  • Keep the pot at a lazy simmer, not a hard boil. Bubbles should break the surface slowly; aggressive boiling tightens proteins and muddies the sauce.
  • Rest the protein for a few minutes after cooking. Slicing straight away lets the juices run onto the board instead of into the bite.
  • Salt the pasta water generously and save a mug of the starchy cooking water before you drain — a splash thickens any sauce beautifully.
  • Read the entire method through once before you start, and have every ingredient measured and within arm’s reach. The recipe has a few moving parts and pausing to chop mid-step is what causes most home cooks to overshoot a stage.
  • This is a longer cook, so taste as you go and adjust salt in small increments. It is much easier to season up at the end than to rescue a dish that has been over-salted early.

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Frequently asked questions

How long does Pho Bo (Beef Noodle Soup) take to cook?
From prep to plate, Pho Bo (Beef Noodle Soup) takes about 240 minutes and yields 4 servings. About a third of that is hands-on; the rest is the cooking itself.
Is Pho Bo (Beef Noodle Soup) vegetarian?
No — this version contains non-vegetarian ingredients (beef bones, beef sirloin and rice noodles). For a vegetarian take, replace the main protein with paneer, halloumi, mushrooms or extra-firm tofu and keep the same spices.
What are the key ingredients in Pho Bo (Beef Noodle Soup)?
The headline ingredients are beef bones, beef sirloin and rice noodles. The rest of the list is supporting cast — spices, aromatics and pantry staples — that round out the flavour rather than carry it.
Can I scale this recipe up or down?
Yes. The ingredient quantities scale linearly: halve for 2 servings or double for 8. Cooking times stay roughly the same, except for anything that depends on pan surface area — if you double a stir-fry, cook it in two batches rather than crowding the pan.
How should I store the leftovers?
Let leftovers cool to room temperature, then refrigerate in an airtight container for up to 3 days. Reheat gently — low heat on the stove with a splash of water, or short bursts in the microwave covered with a damp paper towel so it does not dry out.
Can I freeze Pho Bo (Beef Noodle Soup)?
Yes. Cool fully, portion into freezer-safe containers and freeze for up to 1 month. Defrost overnight in the fridge and reheat gently; you may need a splash of water or stock to bring the sauce back to its original consistency.
What should I serve with Pho Bo (Beef Noodle Soup)?
Pho Bo (Beef Noodle Soup) pairs naturally with classic vietnamese sides — a simple grain, a fresh salad, or a light pickle to cut through richness. Aim for something that contrasts the main dish in texture or temperature rather than echoing it.
What if I do not have beef bones?
If beef bones is hard to find, look for the closest substitute by texture and cooking time — that matters more than matching the flavour exactly. The dish will still work; it will just lean in a slightly different direction.