mirin or honey
Mirin is primarily carbohydrates (approximately 45% sugars by weight) with minimal protein and fat; it provides negligible vitamins and minerals. It contains trace amounts of amino acids derived from the koji fermentation process, including glutamic acid, which contributes umami flavor.
About
Mirin is a sweet Japanese condiment made from glutinous rice (mochigome) that has been fermented with koji mold and salt to produce a syrupy liquid rich in sugars and amino acids. The fermentation process typically takes two weeks to several months, during which starches are converted into glucose and other simple sugars. There are three primary types: shio mirin (salted), ama mirin (very sweet, rarely used in modern cooking), and shio mirin or aji-mirin (sweetened with added sugars or starch syrups, used as a convenient substitute). The ingredient is pale golden to amber in color and possesses a subtle fermented aroma alongside pronounced sweetness, with depths of umami that distinguish it from simple sugar syrups.
Culinary Uses
Mirin is fundamental to Japanese cuisine, serving as a primary sweetening and glazing agent in both savory and sweet preparations. It is essential in teriyaki sauces, where it caramelizes on proteins to create glossy, lacquered surfaces; in simmered dishes (nimono) such as soy-braised chicken or fish; and in dipping sauces for noodles and dumplings. Beyond Japan, mirin appears in contemporary Asian fusion cooking and increasingly in Western kitchens where its complex sweetness is valued over refined sugar. The ingredient's mild acidity and umami compounds make it ideal for balancing salty soy sauce and miso in composite sauces, while its sugar content promotes browning and caramelization. Aji-mirin (sweetened mirin) or hon-mirin (traditional, unsweetened) are used interchangeably, though ratios may require adjustment.