also: じょうよなべ · とこやなべ
noun
pork and spinach hot pot
A nabe dish similar to shabu-shabu, typically featuring thinly sliced pork and spinach simmered in a light broth. Often eaten with ponzu or sesame dipping sauce.
今夜は常夜鍋にしよう。
Let's have pork and spinach hot pot tonight.
常夜鍋は豚肉とほうれん草がたっぷり入っている。
Jōya-nabe is loaded with pork and spinach.
The name 常夜鍋 (literally 'all-night pot') is said to come from the idea that it is so delicious you can eat it every night without getting tired of it. The exact origin is uncertain.