Earl Grey
From Tardis Wiki, the free Doctor Who reference
Earl Grey was a type of tea that the Seventh Doctor enjoyed. (PROSE: Original Sin)
Hargreaves offered the Fifth Doctor, Nyssa and Tegan Jovanka Earl Grey aboard the HMS Aquitaine. (AUDIO: Aquitaine)
The War Doctor listed it among the "finer things in life" he wanted to teach about his companion Cinder. (PROSE: Engines of War)
Earl Grey was one of the many types of tea that Dr Jeremiah O'Kane left to Dr Colin Dove when he retired from Hawthorne. (HOMEVID: The Zero Imperative)