Somen is a popular noodle dish in Japan. It is eaten cold in the summer and served with a variety of dipping sauces. The most common dipping sauce is somen tsuyu, which is a light soy-based sauce made with katsuobushi (dried and shaved bonito).
Somen a very thin noodle made from wheat flour. It is usually sold in boxes where it is bundled into individual size serving packages. Somen often has other ingredients mixed into the flour to give it unique colors or tastes.