Ramen soy sauce, also known as Shoyu Tare, is a crucial component in making a delicious bowl of Japanese Shoyu Ramen. It is a concentrated seasoning and flavor base made from soy sauce, mirin, sake, and other ingredients, that gives the broth its rich and savory flavor. The Shoyu Tare is often added to the broth early on in the cooking process, allowing it to infuse the soup with its delicious umami flavor.