glaze:

A glaze is a smooth, glossy coating applied to food, typically composed of a liquid base thickened with a binding agent such as cornstarch, gelatin, or reduction. Glazes function both as a finishing layer and as a flavor vehicle, sealing moisture into baked goods and meats while imparting sweetness, savory depth, or spice. The term encompasses diverse preparations ranging from thin, transparent layers on pastries to thick, caramelized coatings on roasted meats and vegetables. Common glaze bases include fruit juices, vinegars, honey, soy sauce, and pan drippings reduced with sweeteners or starches. The consistency is calibrated to cling to food surfaces and set or partially set during cooking or cooling, creating a distinctive sheen and textural contrast.

Glazes are applied throughout global cuisines as both functional and aesthetic finishing techniques. In baking, glazes—such as those made from powdered sugar and milk—provide shine and sweetness to cakes, donuts, and pastries. In savory cooking, glazes bridge the gap between sauce and coating: a honey-soy glaze lacquers roasted duck in East Asian cuisine, while a balsamic reduction glazes roasted root vegetables. Meat preparations often employ glazes created by reducing pan juices with sugar or vinegar, yielding sticky, caramelized surfaces that develop umami complexity. The application method varies with consistency; thin glazes are drizzled or brushed, while thicker ones coat through basting or dipping. Glazes are particularly valuable in finishing dishes, adding visual appeal and flavor concentration without the heaviness of traditional sauces.