If the Queen’s coming round for tea,” the Daily Mirror advised, “leave oysters and lobster off the menu.” The Pope, too, “likes much more basic fare”, though “he takes the occasional break to treat himself to his favourite meal of bagna cauda (‘hot bath’ in Italian). This is a classic farmer’s dish of roasted carrot, celery and artichoke dipped in a hot broth with garlic and olive oil”. To many of its readers, that must have sounded not very nice and also rather hard to manage. How would the dipping be done – at the table, to the ruination of the embroidered cloth brought out specially for the occasion? Anyway, that was not what the Pope ate when he unexpectedly joined workers at a Vatican canteen for lunch. My own pa