日ひ替がわりランチ

noun

daily lunch special; today's set lunch

Common at restaurants and cafeterias, referring to a set meal that changes each day.

• 今日きょうの日ひ替がわりランチは何なんですか？

  What is today's lunch special?

• あの店みせの日ひ替がわりランチはいつもお得とくだ。

  That restaurant's daily lunch special is always a good deal.