Puff Pastry Cake with Lightened Pastry Cream Filling

In the mid-1970s, when I worked summer seasons in the Sporting Club in Monte Carlo, Prince Albert was a dessert we often prepared. I’m sure the dessert, named after the son of Prince Rainier and Princess Grace, had been created in honor of his birth. A very simple version of a mille-feuille, it is made from three layers of puff pastry stacked with a pastry cream that has orange liqueur and whipped cream folded into it. The cream is drizzled