Apple and amaretti tart

Pâtisserie Valerie is one of Soho’s surviving treasures. A Belgian-owned coffee shop originally, I believe, it has been run by the same Italian family for the last forty years. The present generation are rather energetic, and have converted a very dowdy little business into a roaring success with a branch in Knightsbridge of all places. The miracle is that they have done all this without ruining the place. It is so busy now I hardly use it at all, but until ten years ago it was my breakfast