For the filling, whip cream cheese and sugar together until well blended. Stir in vanilla extract and Nutella. Scrape sides of bowl and mix again briefly. Stir in cream and then increase speed and whip 3 minutes or until very thick.
05Pour into pie crust and smooth the top. Refrigerate until set, at least 2 hours.
06To serve, prepare Nutella ganache by microwaving Nutella and cream together until a thin sauce forms. Drizzle over pieces of pie.