If I were the kind of person who invited people to come and have a bite to eat that very evening — and you’ve got to watch it in London, where people are inclined to draw themselves up to their full height, even by email, to ask what sort of sad case you think they are to imagine they’re free right now as opposed to in six weeks’ time — well, I’d reach for the Morito cookbook (Ebury, £26, Spectator Bookshop, £20).