How to Make Hiyamugi: A Light and Cooling Japanese Noodle Dish

 

--- published by foodie Parmod.

Hiyamugi (冷麦) is a lesser-known yet equally delightful member of the Japanese noodle family. Thinner than udon but slightly thicker than sōmen, hiyamugi noodles are traditionally served chilled and paired with a light dipping sauce—perfect for hot summer days.

In this blog post, you’ll learn how to make hiyamugi, how to serve it the traditional Japanese way, and how to customise it with simple, tasty toppings.

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What is Hiyamugi?

Hiyamugi are thin wheat noodles made from refined flour, water, and salt. Their size places them between sōmen and udon, offering a silky yet slightly firmer texture. Hiyamugi is commonly eaten cold and dipped in mentsuyu, a soy-based sauce, often with seasonal garnishes.

Although not as widely known outside Japan, hiyamugi is a beloved dish in the summertime, prized for its cool, refreshing qualities and ease of preparation.

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Ingredients for Hiyamugi

For ease and authenticity, this recipe uses store-bought dried hiyamugi noodles, which are widely available in Japanese or Asian supermarkets and online.

You’ll Need:

200g dried hiyamugi noodles

Ice cubes and cold water (for chilling after cooking)

Optional: shiso leaves, nori, grated ginger, spring onions, wasabi

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For Mentsuyu (Dipping Sauce):

You can purchase bottled mentsuyu or make it at home. Here's a simple recipe:

Ingredients:

100ml soy sauce

100ml mirin

200ml dashi stock (can be homemade or instant)

Method:

Combine the soy sauce, mirin, and dashi in a small saucepan. Bring to a gentle boil, then let it cool to room temperature. Chill before serving.

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How to Cook Hiyamugi Noodles

Cooking hiyamugi is quick and simple, but proper rinsing and chilling are essential for the right texture.

Step 1: Boil the Noodles

Bring a large pot of water to the boil (no salt needed). Add the dried hiyamugi noodles and cook for 4–5 minutes, or according to the packet instructions. Stir occasionally to prevent sticking.

Step 2: Drain and Rinse

Once cooked, drain the noodles immediately in a colander and rinse under cold running water. Rub the noodles gently to remove any surface starch.

Step 3: Ice Bath

Transfer the noodles to a bowl of ice water to cool them quickly and give them a firm, refreshing texture. Leave for a couple of minutes, then drain.

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How to Serve Hiyamugi

Traditional Cold Style:

Hiyamugi is usually served chilled in bundles on a bamboo tray or shallow dish. Add a few ice cubes beneath or beside the noodles to keep them cold and crisp.

Dipping Sauce:

Pour the chilled mentsuyu into small individual bowls. Guests can dip the noodles into the sauce before eating.

Suggested Toppings:

Shredded nori (seaweed)

Grated ginger

Sliced spring onions

Shiso (perilla) leaves

Wasabi (for those who enjoy spice)

Toasted sesame seeds

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Alternative Ways to Enjoy Hiyamugi

1. Hiyamugi Salad

Toss the chilled noodles with sesame oil, soy sauce, rice vinegar, and crisp vegetables like cucumber, radish, and carrots.

2. Warm Hiyamugi Soup (Nyumen Style)

On cooler days, hiyamugi can be served warm in a light dashi broth with mushrooms, tofu, or seasonal greens.

3. With Tempura

Pair cold hiyamugi with crispy tempura for a satisfying contrast of textures and temperatures.

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Tips for Perfect Hiyamugi

Use plenty of water when boiling to allow the noodles to move freely.

Rinse thoroughly after boiling—this prevents stickiness.

Serve immediately after chilling for the best texture and freshness.

Keep the sauce and toppings cool and fresh for the most refreshing experience.

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Nutritional Notes

Hiyamugi noodles are:

Low in fat

Easily digestible

A source of carbohydrates for energy

A great option for light meals or appetisers

Pairing them with fresh vegetables and a low-sodium dipping sauce can make this dish both nutritious and satisfying.

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Final Thoughts

If you’re looking for a quick, cooling, and authentic Japanese noodle dish, hiyamugi is a brilliant choice. With its smooth texture and light, elegant taste, it’s a fantastic way to explore Japanese summer cuisine from your own kitchen.

Whether you enjoy it plain with classic toppings or get creative with salads and soups, hiyamugi offers a refreshing alternative to more common noodle dishes like udon or ramen.

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--- write ✍️ by foodie Parmod.