Sweetened sake. Traditional Japanese. Mirin is sweetened rice wine that is an essential ingredient in Japanese cooking. Sushi Chefs Mirin is of the highest quality. It is made in the traditional method of careful brewing and aging, which results in a warm, richly flavored cooking sauce. Mirin is used in marinades and dipping sauces, and in such popular dishes as teriyaki, sukiyaki and tempura. The following recipe is for a delicious teriyaki sauce. Alcohol 8% by volume.