This is one of those forgotten British sauces that might sound unappealing and has perhaps been put in the same category as Brown Windsor Soup. Well, Brown Windsor Soup might not be very nice – I’ve never made it – but egg sauce is good and you shouldn’t turn your nose up at it. It is based on a really good béchamel – and there’s nothing wrong with that. A well-made béchamel sauce is truly delicious and shouldn’t be thrown out in favour of the modish over-reduced, flour-free sauces o