Cadbury's

Cadbury's was a brand of chocolate.

When Susan Foreman, John Brent and Gillian Roberts broke into the Coal Hill tuck shop in 1963, all they had was cold Cadbury's chocolate, Smith's crisps and Tizer. (PROSE: Time and Relative)

In 1966, the Ninth Doctor hastily made and consumed a sandwich consisting of a Cadbury's Dairy Milk, among other things, to neutralise his body chemistry after being poisoned by Charlotte Cobb. (COMIC: The Love Invasion)

When the Tenth Doctor picked up an energy signal coming from the town of Carbury, Donna Noble misheard him and thought he was talking about Cadbury, prompting her to talk about chocolate buttons, Easter eggs, and wondering whether they still made "the rum-and-raisin one". (PROSE: Legends of Camelot)