Ask a Japanese home cook what mirin does, and the answer may be surprisingly vague. “It adds sweetness.” “It gives food a nice gloss.” “It makes the flavor feel more complete.” All of those answers are true. But none of them fully explains mirin. That is because mirin does not have just one job. It adds sweetness, aroma, gloss, and balance while also changing how other flavors work together. Japanese cooks use it constantly, often alongside soy sauce and sake, but many people rarely stop to think about what it actually is. And when you look closely at a Japanese ...