Gather the ingredients.
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First start by making the dipping sauce: Put mirin in a sauce pan and heat.
![Japanese Cold Somen Noodle Recipe]()
Add soy sauce and dashi soup stock in the pan and bring to a boil.
![Japanese Cold Somen Noodle Recipe]()
Remove from heat and cool the sauce.
![Japanese Cold Somen Noodle Recipe]()
Once you have the dipping sauce completed, boil water in a large pan.
![Japanese Cold Somen Noodle Recipe]()
Add dried somen noodles in the boiling water, gently stirring noodles with chopsticks, and cook for a few minutes until done. (If it's necessary, add a little bit of cold water in the pan to prevent overflowing.)
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Drain the somen in a colander and cool them under running water or in an ice bath.
![Japanese Cold Somen Noodle Recipe]()
Wash the noodles with hands under running water. (If the noodles were tied, find the knotted parts of somen noodles and pick them up. Cut off the edge and discard.)
![Japanese Cold Somen Noodle Recipe]()
Serve drained cold somen in a large serving bowl, dipping sauce in individual cups, and place some toppings, such as grated ginger, scallions, strips of shiso leaves, and myoga on the side.
![Japanese Cold Somen Noodle Recipe]()
Enjoy!
![Japanese Cold Somen Noodle Recipe]()