Cold Buckwheat Noodles

Quick answer

Total time: 20 min
Level: Easy
Servings: 2 servings
Ingredients: 6

About this dish

Mori soba is a Japanese cold noodle preparation where buckwheat noodles are boiled, rinsed under cold running water until firm, and served on a bamboo draining mat alongside a chilled tsuyu dipping broth.

The nutty, slightly grainy character of buckwheat is the foundation of the dish, with each mouthful releasing an earthy, grain-forward fragrance. Tsuyu, concentrated from katsuobushi, kombu, soy sauce, and mirin and then chilled, is rich in umami and strong enough that a brief dip coats the noodles completely without drowning them. Wasabi and thin-sliced scallion stirred directly into the broth add sharp heat and a clean green note, while a pinch of shredded nori over the noodles introduces a subtle oceanic undertone. After boiling, the noodles must be cooled thoroughly in ice water to lock in their elasticity and prevent them from turning soft before serving.

Ingredients

servings

IngredientAmountUnit

Soba noodles180 gg

Mentsuyu (noodle dipping sauce)4 tbsptbsp

Cold water200 mlml

Wasabi1 tsptsp

Green onion20 gg

Nori seaweed1 sheetsheet

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Instructions

Read the steps as a cooking flow: prep, heat, seasoning, doneness control, and finish.

6 steps

1

Control

Bring a large pot of water to a full boil, then fan out 180g of soba noodles into the pot.

Cook over high heat for 3 to 4 minutes, stirring with chopsticks so the strands do not clump.
2

Finish

Taste one noodle and drain as soon as the center is no longer chalky but still lightly springy.

If you want sobayu at the end, reserve some of the hot cooking water before discarding the rest.
3

Prep

Place the drained noodles under cold running water and rub them gently between both hands.

Rinse several times until the surface starch washes away and the water running through the noodles looks mostly clear.
4

Step

Soak the rinsed noodles in ice water for 1 minute so they chill all the way through and tighten.

Do not leave them soaking too long, or the flavor will fade, then drain very thoroughly.
5

Season

Mix 4 tablespoons of mentsuyu with 200ml of cold water in a small bowl and keep it chilled.

Add ice only if needed, because too much dilution will make the dipping sauce taste flat against the noodles.
6

Finish

Arrange the drained noodles in bite sized bundles on a plate or bamboo mat, then scatter 1 cut sheet of nori over them.

Stir in 1 teaspoon wasabi and 20g sliced green onion, then dip only the noodle tips into the sauce.

Practical Cooking Checks

The cues that matter most while cooking.

Key technique: Cold buckwheat soba noodles served on a bamboo mat highlight a clean, nutty aroma and savory tsuyu.
Finish cue: Arrange the drained noodles in bite sized bundles on a plate or bamboo mat, then scatter 1 cut sheet of nori over them.
Avoid this: Cook over high heat for 3 to 4 minutes, stirring with chopsticks so the strands do not clump.