Tamari soy sauce

Main ingredient: 

Tamari soy sauce is produced mainly from soy beans (and less or no wheat). As more soy beans is used, it contains more "umami" than one in regular soy sauce.

Mainly used for:

Tamari soy sauce is originally made in Aichi prefecture. From its less gluten or gluten-free, it is getting popular not only in Japan but in other countries.