kombu and dashi soy sauce is a soy sauce made with kombu and dashi. kombu is a dried seaweed commonly used in Japanese cooking, while dashi is a basic broth made from kombu and bonito (dried fish). kombu and dashi soy sauce has a savoury, umami flavour, thanks to the presence of these ingredients in its composition. It can be used in the same way as traditional soy sauce, to add flavour to noodle, vegetable and meat dishes, as well as to marinate food before cooking. It can also be used to season sauces, dressings and marinades.