As promised here is the Lemon tart recipe from Leiths latest book Leiths How to Cook (Quadrille, £30). Photograph: Peter Cassidy. (see the whole book review here) It also includes the delicious pâte sucrée recipe too! Thanks Quadrille for letting me do this extract. It looks sooooo good! Lemon tart Serves 6 1 quantity pâte sucrée (below) Extra flour, …