Zaru Soba

Zaru soba is Japan's perfect hot-weather meal: cold buckwheat noodles served on a bamboo tray with a chilled, savory dipping sauce, spring onions, and a dab of wasabi. It is light, refreshing, and quietly elegant.
- Prep time
- 10 mins
- Cook time
- 15 mins
- Total time
- 25 mins
- Servings
- 4 servings
- Calories
- 340
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Ingredients
- 300 g dried soba noodles
- 300 ml mentsuyu (soba dipping sauce)
- 200 ml cold water
- 2 spring onions, finely chopped
- 1 teaspoon wasabi
- 1 sheet nori, cut into thin strips
- 1 tablespoon grated ginger
- Ice cubes
- Tempura or pickles, to serve
Instructions
- Mix the mentsuyu with the cold water and chill it in the fridge until serving time.
- Bring a large pot of unsalted water to a boil and cook the soba for 4 to 5 minutes, stirring gently.
- Drain the noodles and rinse under cold running water, rubbing gently to remove the starch.
- Chill the noodles in a bowl of iced water for 2 minutes, then drain well.
- Arrange the noodles on a plate or bamboo tray and scatter over the nori strips.
- Serve with the chilled dipping sauce, spring onions, wasabi, and ginger on the side.
Pro tips
- Do not salt the cooking water — the dipping sauce provides all the seasoning.
- Rinse the noodles thoroughly; leftover starch makes them sticky and dull.
- Dip, do not soak — a quick dip keeps the noodles from getting too salty.
Frequently asked questions
What is mentsuyu?
A Japanese dipping sauce made from soy sauce, mirin, and dashi. It is sold bottled in Asian grocery stores, or you can make it from dashi, soy, and mirin.
Can I use fresh soba noodles?
Yes. Fresh soba cooks faster, usually in 1 to 2 minutes, so watch it closely and rinse immediately.
What do I serve with zaru soba?
Tempura, sliced cucumber, or Japanese pickles are classic. A cold beer or iced green tea completes the meal.