Saint-Honoré Trifle

I absolutely adore the flavors and textures of the classic Gâteau Saint-Honoré, a pastry that is traditionally made of puff pastry and cream puff pastry. Making it is such a complicated process that it can become a once-in-a-lifetime project. One day, however, I realized that my favorite part of this dessert is the special Chiboust cream, enhanced by the addition of whipped cream. When prepared as a pastry, adding gelatin makes the cream firm enough to slice, but for this génoise cake versi