What? Posh nordic nosh.
Where? St James's Market, 1 Carlton St, SW1Y 4QQ
When? You've got time to hit the drinks trolley. They don't call it Aquavit for nothing.
Why? Because the owner always says hello. High end with a hi-five. Get to know your Smorgasbord. Beef tartare, smoked eel, matje herring.
Inside track? Half hour lunch for £15! Meatballs and a beer. What more do you want?