Japanese · Lunch

Zaru Soba

Buckwheat noodles rinsed in ice water and served cold on a bamboo mat with a small cup of concentrated dipping sauce. The most minimal dish in Japanese cooking, and the one where noodle quality has nowhere to hide.

Not yet ratedThis recipe has no ratings yet 18 min total Serves 2 servings Easy
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Zaru Soba — Japanese lunch recipe, served and ready to eat

Photograph credit: Zaru-Soba-1 by Evelyn-rose · CC0 1.0 · Wikimedia

Method

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  1. Make the tsuyu first: bring the mirin to a boil for 30 seconds to cook off the alcohol, add the soy, sugar and dashi, and bring back to a simmer.

  2. Take off the heat, stir in the bonito flakes and leave 5 minutes, then strain and chill thoroughly. It should be assertively salty on its own.

  3. Bring a large pan of unsalted water to a rolling boil — soba needs no salt, unlike pasta.

  4. Cook the noodles for the time on the packet, usually 4 to 5 minutes, stirring at the start so they do not stick.

  5. Drain and immediately wash the noodles under cold running water, rubbing them gently between your hands until the water runs clear and they feel squeaky rather than slick.

  6. Plunge into a bowl of ice water for 30 seconds, then drain very well.

  7. Pile onto bamboo mats or plates, scatter with nori, and serve with cups of cold tsuyu and the spring onion, wasabi and daikon to stir in to taste.

Chef’s Tips

  • Buy soba with a high buckwheat percentage — the cheapest packets are mostly wheat flour and taste of very little.
  • Do not skip the cold rinse even if you are in a hurry. It is what makes the noodles taste clean.
  • Save the noodle cooking water. Traditionally it is added to the leftover dipping sauce and drunk at the end as sobayu.

Common Substitutions & Variations

  • Out of spring onions? A small regular onion, finely sliced, or a few chives stirred in at the end both cover the job.

Pairing Suggestions

  • Tempura prawns or vegetables
  • Chilled sake or barley tea
  • Agedashi tofu as a starter

Storage & Reheating

Cooked soba can be refrigerated for a day in cold water, drained just before serving. The tsuyu keeps 2 weeks refrigerated.

Common questions

How long does Zaru Soba take to make?

About 18 minutes in total — 10 minutes of preparation and 8 minutes of cooking. The recipe serves 2.

What are the key tips for making Zaru Soba?

Buy soba with a high buckwheat percentage — the cheapest packets are mostly wheat flour and taste of very little. Do not skip the cold rinse even if you are in a hurry. It is what makes the noodles taste clean. Save the noodle cooking water. Traditionally it is added to the leftover dipping sauce and drunk at the end as sobayu.

What should I serve with Zaru Soba?

Tempura prawns or vegetables; Chilled sake or barley tea; Agedashi tofu as a starter.

How should Zaru Soba be stored?

Cooked soba can be refrigerated for a day in cold water, drained just before serving. The tsuyu keeps 2 weeks refrigerated.

Is Zaru Soba suitable for a special diet?

This recipe is vegan, dairy-free and vegetarian. Those labels are checked against the ingredient list, so a dish is only marked when nothing in it contradicts the claim.

How many calories are in Zaru Soba?

About 412 kcal per serving, with 16 g protein, 78 g carbohydrate and 3 g fat. The figures are calculated from the ingredient list and are an estimate.

Nutritional Highlights

Per serving, calculated from the ingredient list. Treat these as an estimate — brands and cuts vary.

412Calories
16gProtein
78gCarbs
3gFat
5gFibre
10gSugar
1620mgSodium

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Written and tested by Turab

One person, one kitchen — no test kitchen, no team. How every recipe on this site is checked before it goes up.