Serves 8-10 INGREDIENTS ½ cup raw hazelnuts 1 tablespoon white sugar 1 teaspoon freshly grated nutmeg 1 teaspoon vanilla 1 tablespoon melted butter 2 tablespoons unsalted butter 2 bananas, sliced in rounds about ½ inch thick 1 package puff pastry, thawed 4 ounces bittersweet dark chocolate, chopped ½ cup heavy cream 2 tablespoons light brown…