This cake tastes better if it is assembled a day before serving. It can also be kept, refrigerated, for up to one week, depending on the freshness of the butter cream.
To make the almond meringue: mix together ground almonds, potato starch or cornstarch, and all but 6tablespoons of the sugar. Stiffly whip the egg whites, add the remaining sugar and continue whipping for 30 seconds or until the