Let them eat cake!
Those famous words, often attributed to Marie Antoinette as her response to the peasants problem - "they have no bread" is a suitable way to say Happy Bastille Day to our French friends from across the channel (of which there are now quite a lot - more than you might think!).
And here is London's answer to that question - Konditor and Cook. They are a small chain of shops who make "fabulous cakes - the sort you'd make yourself if only you had the time, energy or inclination..
For those revisionists that are interested, the provenance of the "Let them eat cake" phrase is here, on the Straight Dope which is a site worth a browse.