napa-cabbage

US /ˌnæp.ə ˈkæb.ɪdʒ/
UK /ˌnæp.ə ˈkæb.ɪdʒ/
1.

Chinese kool

a large vegetable with large pale green leaves and white stems:

:
I shredded the lettuce and added some napa cabbage for extra crunch.