Napoleon
All-purpose flour, for work surface,1 3,4 pounds Puff Pastry dough,
⅓ cup heavy cream,2 ½ ounces dark semisweet chocolate, coarsely chopped (about ⅓ cup),½ teaspoon corn syrup,¼ ounce white chocolate, chopped (about 1 tablespoon)Pastry cream,