Late night wandering from Gascony and thought I'd drop in my two centimes worth. Tarte or tourte? My French Kitchen 'godmother', Vetou Pompele, always makes her leek and mushroom tourte in a standard fluted tart pan. She tells me a tourte is savory and has an upper crust. When she makes one for serving between the soup and the next course, that upper crust is very very thin-- she will divide the pastry dough in thirds, using just one third for the top and 2/3 for the bottom. This recipe is the one I wrote in my cookbook 'A Culinary Journey in Gascony". In this little area around Agen, a croustade is usually a flat apple or prune pastry made in a sheet pan served in cafes or village fetes and a tourtiere is a 'pastis', the fragile rosetted armagnac scented pastry. Few people make them at home and a few patisseries specialize in them. they are deservedly dear, often disappointing but when great- every tissue paper thin flake disappears! I can't wait to get the new edition of Paula's book for my kitchen bibliothèque. the old one is dog-earred with years of browsing. Thanks Paula for updating and keeping this bible in print.