Portuguese cooking is the worst on earth. Or, at least, the worst of any warm nation on earth. Obviously, Irish cooking could give it a run. Or Polish. But in its leaden, oversalted blandness, the cuisine of Portugal is, at best, what English cooking would be if we had better weather.

It is a creaking truism of international diplomacy that the alliance between Britain and Portugal is the oldest in the world. It is less often observed that the alliance is one based not on political expedience but a mutual love of soggy cod, white bread, overcooked potatoes, plain cheese, sweet wine and cold custard.

And I am speaking as an expert. I’ve been to Portugal dozens of times and I have never had a