Garibaldi were a kind of biscuit favoured by the Tenth Doctor, along with custard creams. (PROSE: Code of the Krillitanes)
Captain Jack said that he loved them. (AUDIO: Peach Blossom Heights)
Garibaldis were one of many biscuits which could be dispensed from the biscuit dispenser in the Doctor's TARDIS. (COMIC: The Forest Bride)