It is a luxurious dashi soup based on bonito and kombu dashi with Echizen soup stock added as a secret ingredient. The richness and umami were added by adding dashi in an exquisite balance so that the taste of the crab was not too strong. For all kinds of Japanese-style dishes such as simmered dishes, hot pot, tentsuyu, and mentsuyu. What is Furumura soy sauce? Furumura Soy Sauce is a historic brewer founded in the Edo period. Born into a family of senior members of the Kaga Domain, the first Jiemon is said to have started brewing soy sauce at the end of the Edo period under the guidance of Mr. Yuyoko Jiro, a soy sauce brewer who was an acquaintance of Kanazawa Ohno Soy Sauce.