Barbecue sauce was a condiment.
Torchwood Three used "kind of a barbecue sauce" to help their pet pterodactyl, Myfanwy, identify food. Jack Harkness sprayed some of this barbecue sauce on the partially cyber-converted Lisa Hallett, which attracted Myfanwy, who flew in and mauled Lisa, stopping her rampage in the the Hub. (TV: Cyberwoman)
In a café in Cardiff Bay, Brent Hayden ordered a cheeseburger with extra bacon, chips, onion rings and barbecue sauce. (AUDIO: The Man Who Destroyed Torchwood)
Ruby, Carla and Cherry Sunday had a bottle of barbecue sauce with a red label in their refrigerator, alongside a bottle of Heinz Vegan Mayo, during Christmas Eve 2023. (TV: The Church on Ruby Road [+]Russell T Davies, Doctor Who Christmas Special 2023 (BBC One and Disney+, 2023).)