Teriyaki is a popular sauce in Japanese cuisine, known for its sweet and savory flavor. It is made from a mixture of soy sauce, mirin (a sweet rice wine), and sugar, and is often used as a marinade or dressing for meat, fish, and vegetables. The sauce is versatile and can be used in a variety of dishes, from grilled chicken to stir-fried vegetables. Teriyaki sauce is also commonly used as a dipping sauce for sushi and sashimi.