noun
simple and inexpensive restaurant; diner
Refers to a modest, affordable eatery, often serving set meals or single-portion dishes. The term is somewhat dated and may evoke a traditional, no-frills establishment.
駅前に小さな一膳飯屋がある。
There is a small, inexpensive restaurant in front of the station.
昔ながらの一膳飯屋で
I had a set meal at an old-fashioned diner.