 By 1917 all restaurants except the most basic kind were obliged to have a completely meat-free menu one day a week, though Simpson's still offered luxurious fish, including salmon, sole and turbot.The inter-war years saw another high period for Simpson's.Thirty years later the elderly George Lyttelton reminisced, "Did you never know the agonising choice put before you in the pre-war Simpson's – saddle of mutton or beef ... both perfect of their kind?"