23 Connaught Street, London W2 2AY
This Marylebone restaurant evokes the style of Argentinean steakhouses, with a stripped-back brick interior. On the menu, there's a big focus on the grill with plenty of Argentine steak, including a selection to share with Provelone cheese. The wine list is a great source of Argentinean reds and they also have a sunlit conservatory out the back.
Intercontinental Hotel, 1 Hamilton Place, Park Lane, London W1J 7QY
TV chef Theo Randall has been runngin this restaurant for well over a decade and before that, he was the head chef of The River Cafe. Even better than having his name over the door, in practice, Theo is in the kitchen for most of the services here - which is something you can't always expect in other big-name chef restaurants.