Follow these steps to create your delicious Nutella Cheesecake:

1. Prepare the Crust: In a medium bowl, combine graham cracker crumbs and melted butter. Mix well until the crumbs are moistened.
2. Form the Crust: Press the mixture into the bottom of a 9-inch springform pan, ensuring it is evenly distributed. Set aside.
3. Mix the Cheesecake Filling: In a large bowl, beat the softened cream cheese until smooth. Add Nutella, powdered sugar, and vanilla extract. Mix until well combined.
4. Whip the Cream: In a separate bowl, whip the heavy cream until stiff peaks form.
5. Combine Mixtures: Gently fold the whipped cream into the Nutella mixture until fully incorporated.
6. Fill the Pan: Pour the cheesecake filling over the prepared crust, spreading it evenly.
7. Chill the Cheesecake: Cover the cheesecake with plastic wrap and refrigerate for at least 3 hours, or until set.
8. Prepare to Serve: Once set, carefully remove the cheesecake from the springform pan.
9. Garnish: Top with chocolate shavings and fresh hazelnuts if desired.
10. Slice and Enjoy: Cut into slices and serve chilled.

These steps will guide you in creating an incredible Nutella Cheesecake that is sure to impress.