The essence of Japanese beef bowl rice is to use high-quality beef, cut it into thin slices, marinate it in soy sauce, mirin, sugar, and other seasonings, cook it, and then spread it on top of the cooked rice and finally drizzle it with a special sauce. This sauce is usually made by simmering soy sauce, mirin, sugar, shibori and kombu, and has a rich flavor and aroma. The whole dish is rich in flavor, with tender and juicy meat, soft and sweet rice, and a rich and tangy sauce, making it a classic of traditional Japanese cuisine.