Cucumber sandwich
From Tardis Wiki, the free Doctor Who reference
Cucumber sandwiches were a peculiarly English comestible, often served during cricket matches. (PROSE: Strange England)
River once had a dream of Mr Song giving her a cucumber sandwich. (AUDIO: Signs)
Peter Moore was eating a cucumber sandwich when he saw the "ghost" of Mrs Wilding. (PROSE: Invasion of the Cat-People)
