Hyltonian
Striker
During his drinking days, Barry Humphries used to get a jar of sandwich spread and a spoon and pretended to vomit into a bag. He would then secretly fill the bag with sandwich spread and eat it, pretending that he was eating his own vomit with his spoon.
https://www.comedy.co.uk/tv/qi/episodes/4/9
Not according to Clive James, tho some sources claim it's a Russian salad
http://www.clivejames.com/pieces/snakecharmers/barry-humphries
Can't quote it as on phone.
Anyway, we digress. It's not the Heinz sarnie spread of which Becs refers to.