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Inaniwa Udon

稲庭うどん

Akita's thin, hand-stretched udon — once a guarded domain secret — served cold and glossy with two dipping sauces. Silk-smooth noodles, minimal cooking.

By Japanese Cookbook Kitchen · May 20, 2026

東北 TōhokuEdo era, 1603–1868

Inaniwa Udon
Prep
15 min
Cook
8 min
Serves
2
Level
Beginner

Inaniwa udon comes from a single village in southern Akita, and for most of its history you could not have made it at home if you tried. The technique — a hand-stretched, air-dried, ribbon-thin noodle — took hold in the mid-1600s, and the Satake lords who ruled the Akita domain treated it as a guarded specialty, its method held within one family and its production kept deliberately small. That secrecy held, more or less, until the Meiji era opened the craft up. What survived is a noodle unlike any other udon in Japan: flat rather than round, pale and slightly glassy, with a smoothness that comes from being pulled thin by hand over days rather than cut by machine.

Because the artistry is already in the strand, the cooking is almost nothing. Boil it briefly — it is far thinner than ordinary udon and will overcook if you treat it like the fat stuff — then shock it in ice water and rub off the surface starch until it gleams. Akita serves it cold with two dipping sauces: a clean soy tsuyu built on awase dashi, and a nutty sesame dare, alternating between them mouthful to mouthful. It is a rare dish where the honest move is to buy the best version of the ingredient and do almost nothing to it. Respect the noodle; it took a domain three centuries to let it out.

Buy the good dried Inaniwa noodles and get out of their way. The craft is already in the noodle; your only job is not to overcook it.

板前の一言 · A word from the kitchen

Ingredients材料

Serves 2

Noodles

  • 200 gdried Inaniwa udonthe flat, ribbon-thin kind; there is no home substitute that behaves the same, so buy the real thing
  • ice water, for the shock bath

Soy dipping sauce (tsuyu)

  • 120 mlawase dashikombu and katsuobushi; make it strong, it will be chilled
  • 2 tbspsoy sauce
  • 2 tbspmirin
  • grated ginger and thin scallion, to serve

Sesame dipping sauce (goma-dare)

  • 3 tbspwhite sesame paste (or well-ground toasted sesame)
  • 100 mlawase dashi
  • 1 tbspsoy sauce
  • 1 tspsugar
  • 1 tsprice vinegar

Method作り方

  1. Step 1: Make both sauces first

    Warm the mirin to burn off its edge, combine with dashi and soy for the tsuyu, and chill. Whisk the sesame paste with dashi, soy, sugar and vinegar until pourable. Cold noodles wait for no one, so have these ready.

  2. Step 2: Boil in plenty of water

    Inaniwa udon is thin and cooks fast — usually two to three minutes; trust the package, not your udon instincts. Use a big pot so the water never stops moving and the strands don't clump.

  3. Step 3: Shock and rub

    Drain and plunge into ice water, then gently rub the noodles between your hands under running water. This washes off surface starch and is what gives Inaniwa its famous glassy, slippery sheen.

  4. Step 4: Plate cold, sauces alongside

    Pile the drained noodles on a bamboo mat or a cold plate and serve both dipping sauces in small cups. Eat by dipping a few strands at a time — soy first to taste the wheat, sesame after for richness.

道具 · The tools

Equipment

All kitchen tools →
  • Zaru (draining basket)

    ざる

    For draining and serving cold noodles, and rinsing rice — a bamboo or mesh basket that lets everything breathe.

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  • Makisu (bamboo mat)

    巻きす

    For rolling maki and shaping pressed sushi — the cheap tool that unlocks a dozen dishes.

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  • Grater (oroshigane)

    おろし金

    Fine, wet grating for ginger, daikon oroshi, and fresh wasabi — a Western microplane is close.

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Equipment links are Amazon affiliate links. As an Amazon Associate we earn from qualifying purchases, at no cost to you. Disclosure.

Questions from the kitchen

Why was Inaniwa udon a secret?

The Inaniwa method dates to the 1600s in the village of the same name, and the Satake domain that ruled Akita treated it as a controlled specialty — production and the technique were tightly restricted, and for generations the recipe passed within a single family. It only opened up broadly in the Meiji era. So the secrecy is real history, not marketing.

Why serve it cold, and with two sauces?

Cold is where the noodle's smooth, springy texture shows best — heat softens the very quality you paid for. Two sauces is Akita custom: a clean soy tsuyu to taste the wheat, and a nutty sesame dare for contrast. Alternating between them is half the pleasure.

Can I use regular dried udon?

You can eat it, but it isn't the same dish. Standard udon is thick and chewy; Inaniwa is thin, flat and glassy — a different texture entirely. For this recipe, the specific noodle is the point, so seek it out.

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