Cold Udon without Dashi — A perfect Japanese vegetarian recipe for summer!
Fresh, light, and easy to customize, this recipe for cold udon with soy sauce is a delicious alternative to hot dishes. Made without dashi broth, it is suitable for vegetarian diets and highlights the simplicity and elegance of Japanese flavors.
Follow Hello Asia and prepare this refreshing dish in just a few simple steps!
Quick overview
Why try this recipe?
Easy to prepare: no long cooking time or complicated techniques
Vegetarian: no animal-based broth
Refreshing: perfect for hot days

Cold Udon with Soy Sauce
Ingredients for Cold Udon with Soy Sauce (for 2 people)
- 400 g udon noodles
- 4 tbsp soy sauce
- 2 tbsp mirin (or 1 tbsp sugar + 1 tbsp water)
- 100 ml cold water
- 1 tsp rice vinegar
- A few drops of sesame oil (optional)
Toppings of your choice:
- Finely sliced spring onions
- Freshly grated ginger
- Roasted sesame seeds
- Nori sheets cut into thin strips
- Julienned cucumber or radish
- Grated daikon
- Diced tofu or soft-boiled egg (optional)
Preparing Cold Udon
1. Cook the noodles
Cook the udon noodles according to the package instructions. Once cooked, drain and rinse them under cold water. Then place them in an ice-water bath for 1 to 2 minutes to firm them up. Drain thoroughly.
2. Prepare the sauce
In a small bowl, combine:
- 4 tbsp soy sauce
- 2 tbsp mirin (or sugar + water)
- 100 ml cold water
- 1 tsp rice vinegar
- A few drops of sesame oil (optional)
Keep the sauce chilled until ready to serve.
3. Prepare the toppings
Grate the ginger, cut the vegetables into julienne strips, and finely slice the spring onions. Arrange everything within easy reach for serving.
4. Assemble
Place the noodles in bowls or on plates. Add your chosen toppings on top, such as daikon, nori, cucumber, and more. Pour the sauce over the noodles or serve it separately as a dipping sauce.
Hello Asia tips
瞧 For extra crunch, add roasted sesame seeds and radishes.
️ A well-prepared ice-water bath helps keep the noodles firm and springy.
遼 For a richer version, add a soft-boiled egg or grilled tofu.
Conclusion

Cold Udon with Soy Sauce
Cold Udon with Soy Sauce is the ultimate summer dish: quick, light, and delicate. With simple ingredients available on HelloAsia.ch, you can prepare this refreshing Japanese dish in just a few minutes.
Order your ingredients from HelloAsia.ch and enjoy a refreshing moment this summer!
