"Drow," Ilphyl said. "Or... the old word is Ssri-tel-quessir. It means 'dark elf'. And... well, mostly mushrooms. Bluecap spores can be dried to make flour, and there's a bunch of other edible varieties. Most of them need magic to grow properly, and a lot of fertilizer. Also, we eat fish, and rothé -- they're a lot like goats, but can live on lichen and create their own light to keep the flock together. Sometimes insects."

Insects were complicated: some were considered a delicacy, and some were considered 'commoner food' for people who couldn't even get fish reliably. Which one was which usually depended on how much of a pain they were to cultivate.