Citations:lembas

Proper noun: (fantasy) A kind of highly nutritious elven bread

 * 2001, "Tina Hall", food weight!? (newsgroup rec.games.roguelike.nethack)
 * The weirdest [instance of a game bug] was a food ration or a lembas wafer that I could only stop eating because I was interrupted by some monster walking through the room, after I don't know how many hundreds of turns.