Sushi

Sushi was made from rice. On the planet Dimetos, it was served as a starter made from Alphan rice pods. (PROSE: Another Girl, Another Planet) Ianto Jones hated sushi. (AUDIO: Outbreak)

Witnessing the shedded limbs of a Dalek mutant, Josh remarked that he would never eat sushi again. (AUDIO: The Dalek Transaction)