Frosted Raspberry and Crème Bites

sheet of puff pastry (thawed according to directions)Vanilla cream (recipe follows)1/4 cup sugar1 cup of raspberries1 cup of cranberriesEgg wash (one whole egg slightly beaten)

whole milk2 tablespoon cornstarch6 tablespoon sugar1 large egg2 large egg yolks2 tablespoon unsalted butter1 teaspoon vanilla