Definitions for "Au gratin"
With a crust made by browning in the oven, especially by sprinkling with bread crumbs or grated cheese and browning in a broiler; as, spaghetti may be served au gratin.
French cooking term, used for descibing sauced dishes that are topped with bread crumbs, or cheese or both and then broiled unitl slightly browned. It is often used to describe dishes that are covered or baked in a creammy cheese sauce.
a term used to describe a crumb- or cheese-topped shallow casserole that has been baked or broiled until the dish has a crusty brown top.