Food made from the pressed curds of milk, popularly eaten with pickle. A clothbound truckle of cheese was used to restore the dungeoneer's life force in several quests:
< Team 2 of Series 2. In the first room of Level 2, Cedric allowed Claire to take his "grub" as a consolation prize after she failed to earn any magic.
Team 3 of Series 7. Fidjit offered Alex some cheese that he found lying on the floor at the end of Level 1! (He did check whether the dungeoneer actually liked cheese; fortunately the reply wasn't "No, I'm lactose intolerant.")