What Is Soy Sauce? Soy sauce is a traditional Japanese condiment made by fermenting soybeans, roasted wheat, salt, and a fermenting agent like koji mold. While it originated in China, soy sauce has become an essential ingredient in Japanese cuisine, offering a rich umami flavor that enhances a wide range of dishes. In Japanese, soy … Continue reading Japanese Soy Sauce: A Complete Guide to Japan’s Umami-Rich Liquid Gold