[noun] [C], [adjective] [not gradable] - used in the names of dishes which have a thin layer of cheese and often bread on topI've chosen the aubergine and tomato (au) gratin.Put the thinly sliced potato into a buttered gratin dish (= cooking container) and then cover with breadcrumbs and grated cheese.
GRATIN
Meaning of GRATIN in English
Cambridge English vocab. Кембриджский английский словарь. 2012