plat du jour
Concise Oxford English Dictionary © 2008 Oxford University Press:
plat du jour /ˌpla d(j)uː ˈʒʊə/
▶noun (pl. plats du jour pronunc. same) a dish specially prepared by a restaurant on a particular day, in addition to the usual menu.
– origin Fr., lit. ‘dish of the day’.
'plat du jour' also found in these Oxford entries:

