Modern Udon Noodle Bowl with Soy and Dashi Broth

Thick, springy udon noodles are especially well suited to clear Japanese-style broths, where their chew gives substance without making the bowl feel heavy. Here, a soy and dashi base brings savoury depth, softened by mirin and kept light enough for a quick lunch. Shiitake mushrooms add earthy umami, pak choi brings freshness and gentle crunch, and a soft-boiled egg gives richness without overwhelming the broth. Finished with spring onion, sesame oil and roasted sesame seeds, it is a clean, warming noodle bowl that comes together quickly and is best served as soon as the broth is piping hot.
Cuisine style Japanese-inspired noodle bowl
Cooking style Minimal cleanup
Time commitment Under 30 minutes

Why this recipe works

  • Clean umami depth: Dashi, soy sauce, mirin and shiitake mushrooms build a savoury broth that tastes full without becoming heavy.
  • Fast bowl assembly: The eggs, noodles and broth components can be cooked in parallel, keeping the whole dish suitable for a quick lunch.
  • Balanced textures: Springy udon, tender greens, mushrooms and soft yolk give the bowl more contrast than a plain noodle soup.

Get the most out of this recipe

Ingredient notes

  • Choose the dashi carefully: Dashi powder forms the base of the broth, so use one with a flavour and dietary profile that suits you; blends can vary.
  • Udon texture varies: Frozen udon is usually chewier, while shelf-stable noodles tend to be softer. Follow the packet timing and drain well.
  • Separate the bok choy: Cook the sliced stems first, then add the leaves at the end so they wilt without losing their freshness.

Timing notes

  • Serve immediately: Udon continues to absorb broth as it sits, so assemble the bowls just before serving for the best texture.
  • Use the cooling time: While the eggs cool, prepare the mushrooms, bok choy and spring onion so the broth comes together quickly.

Make-ahead tips

  • Keep noodles apart: Store the broth and vegetables separately from the udon to prevent the noodles from swelling and turning soft.
  • Reheat gently: Warm the broth until simmering, then loosen the noodles briefly in boiling water before assembling the bowls.
  • Prep the vegetables: The mushrooms, bok choy and spring onion can be trimmed and sliced ahead, then added when you cook the broth.

Common mistakes

  • Boiling the broth too hard: Once the soy sauce and mirin are added, keep the broth at a gentle simmer to preserve its clean flavour.
  • Overcooking the eggs: Start timing as soon as the eggs go into the boiling water, then cool them promptly to keep the yolks soft.

Equipment you'll need

Ingredients
Instructions
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  1. Bring a saucepan of water to the boil. Lower in the eggs and cook for 6 minutes for soft-boiled yolks, then transfer to cold water to cool slightly. Peel and set aside.
  2. Trim the mushrooms and slice them. Separate the bok choy leaves and stems, then slice the stems into bite-size pieces; keep the leaves whole. Thinly slice the spring onion.
  3. In a large pot, bring 900 ml water to a gentle simmer and whisk in the dashi powder. Stir in the soy sauce and mirin, then add the mushrooms and bok choy stems and simmer until just tender. Add the bok choy leaves and cook until wilted.
  4. Meanwhile, cook the udon noodles in boiling water until tender, following the packet timing. Drain well in a colander and divide between two bowls. Ladle over the hot broth, mushrooms and greens.
  5. Halve the eggs and place on top of each bowl. Finish with a few drops of sesame oil, then scatter over the spring onion and roasted sesame seeds. Serve straight away while the broth is piping hot.

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Recipe notes

Tips

  • For the cleanest soft-boiled eggs, cool them in cold water for 2 minutes before peeling, then peel under a thin stream of water.
  • Keep the broth at a gentle simmer once the soy sauce and mirin are added so it stays clear and tastes fresh.

Substitutions

  • Replace shiitake mushrooms with oyster mushrooms for a lighter, more delicate mushroom flavour.
  • Replace mirin with dry sherry for a similar sweetness and aroma.

Storage

  • Refrigerate up to 2 days
  • Store broth and vegetables separately from the udon noodles in airtight containers. Reheat the broth until simmering, then warm the noodles briefly in boiling water to loosen before serving; add freshly halved eggs if possible.

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Recipe overview

  • Servings: 2 bowls
  • Total time: 25min (20min active)
  • Difficulty: Easy
  • Cuisine: Japanese
  • Allergens:
    Eggs Sesame Soybeans
Beginner friendly Kid friendly

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