I stumbled into the Mayfair Goodman with the good lady completely by accident a few months ago. We had in fact been making our way across the West End to Byron, to try out the celebrated nuclear cheese version of their burgers, as requested by me and dozens of others. Goodman was just right there. And had burgers. And we’d just purchased an enormous skillet from John Lewis and I was trying to not kneecap passing tourists with it. It was a welcome, tobacco-coloured stop, where we had a very serviceable burger (not as drippy as I’d been led to believe) and a really quite jaw dropping beef carpaccio. Fast forward to August and the new cunningly-placed Bank branch is running a three day…