My grandfather always orders the plat du jour at his favorite Italian restaurant when they feature lasagna.
When a restaurant makes lasagna only on one special day and offers it as a special that is not on the regular menu, the lasagna is an example of plat du jour.
plat du jour
nounpl. plats du jour′
Origin of plat du jourFr, dish of the day
(plural plats du jour)
- the special dish for the day in a restaurant
French plat du jour (“dish of the day")