If you were thinking of something a bit more haute, then triple AA rosetted Roussillon in Belgravia is the place for you.  A charming, quiet French restaurant with excellent service, Roussillon is famous for its seven-course tasting menu consisting entirely of vegetables and fruit.   And if your dining companion isn’t observing a strict regime, the menu has plenty of room for proper French dining using the finest seasonal British ingredients, all accompanied by a serious wine list.Type the text here