Although some people only distinguish between light and dark shoyu, there are many unique variations, including koikuchi, usukuchi, saishikomi, and shiro. Koikuchi is an all-purpose dark soy sauce ...

An offshoot of the Michelin-listed noodle eatery Mugen in Fukushima ward, Zen Laboratory opened in 2021 and serves additive-free, artisanal ramen in stylish, ...