Gianduja Mousse

In a medium bowl, using an electric mixer, beat the chocolate-hazelnut paste with the crème fraîche and brandy at low speed until smooth. In another bowl, beat the heavy cream until firm peaks form. Using a rubber spatula, fold the whipped cream into the chocolate-hazelnut mixture until no streaks remain. Spoon the mousse into small bowls and refrigerate for 20 minutes. Serve with the chocolate wafer cookies