Ladyfinger Layer Cake with Coffee & Mascarpone Custard

Tiramisù should never be ordered in a restaurant, even in Italy. Preparing the mascarpone cream is too costly for chefs, so they inevitably use whipped cream, which is an unacceptable substitution. The only way to eat the real thing is to make it at home. Traditionally, this dessert is made with raw eggs. We still make ours that way (and always will), but we’ve chosen to share a reassuring method here that safely pasteurizes the eggs without sacrificing flavor. It requires a little bit more