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Cold Zaru Soba Noodles with Dipping Sauce

This refreshing and easy Cold Zaru Soba Noodles recipe features chilled buckwheat noodles served with a savory homemade dipping sauce made from soy sauce, mirin, and dashi. Light, satisfying, and packed with umami, it's a vegan-friendly Japanese dish perfect for summer lunches or light dinners.
Prep Time 10 minutes
Cook Time 15 minutes
Chilling Time 50 minutes
Total Time 1 hour 15 minutes
Course Dinner, Main Course
Cuisine American, Vegan
Servings 4 servings
Calories 360 kcal

Ingredients
  

Noodles & Garnish

  • 400 g dried soba noodles
  • 4 spring onions finely shredded

Dipping Sauce

  • 50 ml soy sauce
  • 50 ml mirin
  • 600 ml dashi stock use vegan dashi if preferred

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Instructions
 

Prepare the Dipping Sauce

  • In a bowl, mix soy sauce and mirin into the dashi stock. Transfer to the refrigerator and chill for at least 50 minutes before serving.

Cook and Rinse the Soba Noodles

  • Bring a large pot of water to a boil. Add the dried soba noodles quickly and stir to prevent sticking.
  • When the water returns to a boil, add about 1/2 cup of cold water to reduce the temperature. Repeat this step once or twice depending on the dryness of the noodles.
  • Test noodle doneness by pinching or cutting a strandβ€”it should be just tender.
  • Drain the noodles in a colander or sieve. Rinse thoroughly under cold running water, rubbing gently to remove excess starch.
  • Drain again and set aside.

Serve

  • Arrange the cold soba noodles on serving dishes.
  • Garnish with finely shredded spring onions.
  • Serve with individual bowls of chilled dipping sauce on the side.

Notes

  • For a gluten-free version, use 100% buckwheat soba and gluten-free soy sauce.
  • To make the dish vegan, use kombu and dried shiitake to prepare vegan dashi.
  • Adding cold water while cooking helps noodles cook evenly from inside out.
  • Rinse noodles thoroughly to remove starch and prevent gumminess.
Keyword zaru soba, cold soba noodles, Japanese soba, vegan soba, dipping sauce, chilled noodles, summer noodles, soba with dashi sauce, light Japanese recip