It's worth noting that shoyu sauce comes in several varieties, including at least six prevalent in Japanese cooking. Of these, the two most readily available ones are koikuchi shoyu, which is a ...

This process, called honjozo, brings a distinctive complexity to ramen. There are two types of shoyu: koikuchi, which has a bolder taste and is darker in color, and usukuchi, which is more subtle ...

At restaurants, the bamboo shoot is often cooked with usukuchi shoyu (light-colored soy sauce) for an elegant effect, but in this recipe, koikuchi shoyu (dark-colored, regular soy sauce ...