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Zaru Soba

Cold buckwheat noodles on a bamboo mat, dipped in chilled soy-dashi sauce with wasabi and scallions — summer’s most refreshing meal.

⏱ 10 minPrep time
🔥 10 minCook time
🍽 4Servings
🏷 Japanese KitchenCategory
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Zaru Soba (cold buckwheat noodles) with dipping sauce

Soba has been eaten in Japan for centuries, and zaru soba, the chilled version served on a bamboo mat, is the definitive way to enjoy it in hot weather. The noodles are boiled, rinsed under cold running water until firm and glossy, then dipped bite by bite into a chilled soy-dashi sauce. It is light, refreshing, and a beloved summer ritual, whether at a neighborhood soba shop, a temple festival, or the family table, and it is one of the fastest elegant meals you can make at home.

Cool, nutty noodles with a clean dipping bite

Buckwheat noodles have a deep, nutty flavor and a pleasant chew, and the cold rinse gives them a firm, springy texture that is deeply satisfying. Each bite gets dragged through the savory-sweet tsuyu, then piled with wasabi, scallion, and nori for a burst of brightness. Gather a bundle with your chopsticks, dip just the tips into the sauce, and slurp; the contrast of cold noodles and cool, savory dip is summer on a plate.

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Step by stepInstructions

  1. Make the dipping sauce: simmer the dashi, soy sauce, mirin, and sugar in a small saucepan for 2 minutes, then chill thoroughly.
  2. Bring a large pot of water to a boil and cook the soba according to the package directions, about 5 minutes.
  3. Drain and rinse the noodles under cold running water, rubbing them gently until the water runs clear and the noodles are cold.
  4. Drain well and pile the noodles on plates or a bamboo mat.
  5. Scatter the nori strips over the noodles.
  6. Serve with small bowls of the chilled sauce and dishes of wasabi, scallion, and ginger. Dip each bundle of noodles into the sauce and slurp.

💡 Chef tips & storage

Rinse the noodles thoroughly under cold water and rub them gently — excess starch makes them gluey. The dipping sauce keeps for a week refrigerated, so double it if you like.

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Recipe details

Prep10 min
Cook10 min
Servings4
CategoryJapanese Kitchen
PublishedAugust 17, 2026
Emily — the cook behind My Comfort Recipes

Hi, I'm Emily 🧡

Hi, I'm Emily — the cook behind My Comfort Recipes. Simple, tested comfort food for real weeknights, written down the way grandma would. Pull up a chair. More about me →