A rare, freshly defrosted buffalo steak and buttered asparagus is up there for me. Expensive sushi (preferably made by actual Japanese people, alternately Brazilians) and authentic Sichuan food is there as well along with all kinds of obscure Chinese crap.
Any kind of veg after the George Foreman treatment.
All this talk of Pizza, what’s the deal with Piizza Hut changing to Pasta Hut in the UK