Made with buttery shortcrust (sablé) pastry, this cake is closely associated with the Basque resort of Cambo-les-Bains, where it was invented, and which holds a big Fête du Gâteau Basque early in October.
There are two classic versions: originally it was just plain, but these days it’s filled with crème pâtissiere (the official version), but you can also find it filled with fruit or jam (in summer with Itxassou cherries) or frangipane.
Image by Edsel Little