Nikujaga (Beef and Potato Stew)

Nikujaga sits firmly in the realm of Japanese home cooking: a comforting beef and potato stew where thin slices of beef, onion and chunky potatoes are gently simmered in a sweet-savoury broth of dashi, soy sauce and mirin. The dish is less about thickness and richness than about seasoning that soaks into the potatoes while the beef lends savoury depth to the broth. A steady, gentle simmer helps the potatoes stay intact and keeps the meat tender. Served with steamed rice, it makes a simple, warming dinner, and it is the kind of stew that benefits from a short rest before serving so the flavours settle and round out.
Cuisine style Japanese home cooking
Flavor profile Sweet-savoury • Umami-rich • Gentle
Techniques Gentle simmering • Skimming
Key equipment Large pot
Cooking style One-pot cooking • Make-ahead friendly
Time commitment Under 1 hour

Why this recipe works

  • Balanced broth: Dashi, soy sauce, mirin and sugar create the sweet-savoury base that defines nikujaga.
  • Gentle simmering: Cooking the potatoes slowly in the seasoned broth lets them absorb flavour while holding their shape.
  • Improves as it rests: A short rest, or gentle reheating later, allows the broth to settle into the potatoes and onions.
  • Simple and satisfying: Tender potatoes, savoury beef and warm rice make this a complete, comforting meal without heavy preparation.

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Authenticity notes

  • Home-style Japanese cooking: Nikujaga is widely associated with everyday Japanese home cooking rather than restaurant-style presentation.
  • Classic seasoning base: Dashi, soy sauce and mirin give the stew its recognisable sweet-savoury depth.
  • How to serve it: Serve in bowls with steamed rice so the broth can soak into the rice as you eat.

Timing notes

  • Most work is up front: The main active tasks are slicing the onion, cutting the potatoes and preparing the beef; the rest is mostly simmering.
  • Rest before serving: Letting the stew stand briefly off the heat helps the seasoning settle and makes the potatoes taste fuller.
  • Good after sitting: Nikujaga often tastes rounder after cooling and reheating gently, as the potatoes continue to absorb the broth.

Ingredient notes

  • Choose thin beef if possible: Thinly sliced beef cooks quickly and stays more tender than large stew pieces in this short simmer.
  • Use waxy or all-purpose potatoes: Yukon Gold potatoes soften nicely while holding together better than very floury potatoes.
  • Mirin matters: A sugar-and-water substitute adds sweetness, but it will not give the same rounded flavour as mirin.

Common mistakes

  • Boiling too hard: A rapid boil can break up the potatoes and make the beef tougher; keep the stew at a steady, gentle simmer.
  • Adding the beef too early: Add the beef after the potatoes have had a head start so it cooks through without becoming overdone.
  • Letting the broth reduce too far: If the liquid reduces quickly, lower the heat and add a little water so the seasoning stays balanced.

Equipment you'll need

Ingredients
Instructions
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  1. Halve the onion and slice it into thin wedges. Peel the potatoes and cut into chunky bite-sized pieces, then rinse briefly to remove excess starch. If the beef is not already thinly sliced, slice it as thinly as you can across the grain.
  2. Put the water in a large pot and whisk in the dashi powder until dissolved. Add the sugar, mirin and soy sauce, then bring to a gentle simmer over medium heat.
  3. Add the onion and potatoes, return to a simmer, then cook for 10 minutes. Add the beef, separating the slices so they do not clump, and keep the heat at a steady, gentle simmer. Skim any foam from the surface as needed.
  4. Simmer for 15 to 20 minutes, turning the potatoes once or twice, until the potatoes are tender and the beef is cooked through. The broth should taste sweet-savoury and slightly reduced; if it reduces too quickly, lower the heat. Remove from the heat and rest for 5 minutes so the flavours settle.

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Recipe notes

Serving suggestions

This recipe pairs well with:

Steamed rice

Tips

  • Keep the simmer gentle so the potatoes stay intact and the beef stays tender.
  • For a more traditional finish, let the stew cool for 10 minutes, then reheat gently; nikujaga often tastes even better after it sits.
  • If serving vulnerable groups, ensure the beef is cooked through and the stew is reheated until piping hot.

Substitutions

  • Replace caster sugar with light brown sugar for a slightly deeper sweetness.
  • Replace mirin with a smaller amount of caster sugar dissolved into water for sweetness, noting the flavour will be less complex.

Storage

  • Refrigerate up to 3 days
  • Cool, cover and refrigerate. Reheat gently in a pot over low heat with a splash of water until piping hot, stirring carefully so the potatoes do not break up.

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Nikujaga (Beef and Potato Stew)
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Recipe overview

  • Servings: 4 servings
  • Total time: 55min (20min active)
  • Difficulty: Medium
  • Cuisine: Japanese
  • Allergens:
    Soybeans
With serving suggestions One pot Kid friendly

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