Liquorice allsorts were a sweet favoured by the Fourth Doctor. He ate one to trick someone into getting thrown to the ground. (TV: The Sun Makers)
While imprisoned in a dungeon the Seventh Doctor offered a liquorice allsort to En-Gula. (PROSE: Timewyrm: Genesys)
The Seventh Doctor joked to Ace that Time Lords "come in all sorts, just like liquorice." (PROSE: Timewyrm: Exodus)