Bread-and-butter pudding does not usually feature on menus in Lagos: pounded yam, point-and-kill (catfish chosen alive by diners) and peppered snails are more common fare.

Yet for Olumide Bolumole the stodgy English dessert is one of the things he misses about the UK since quitting his job at a hedge fund to carve a new niche in the city of his childhood.