Foryoueats: Nutella Cheesecake (No Bake)

Ingredients

• Base:
• 200g/ 7oz Oreo cookies (1.5 standard packs, Note 1)
• 60g / 4 tbsp unsalted butter , melted
• Nutella mousse filling:
• 3 tsp gelatine powder (Note 2)
• 1/4 cup water
• 500g / 1 lb cream cheese , softened (block form, Note 3)
• 1/2 cup soft icing sugar / powdered sugar (Note 4)
• 1 cup Nutella (Note 5)
• 1 cup heavy/thickened cream
• Nutella ganache topping:
• 1/2 cup heavy/thickened cream
• 1/2 cup Nutella
• 1/4 cup dark chocolate chips/semi-sweet chocolate chips
• Toppings:
• 1/4 cup hazelnuts , lightly toasted then chopped (Note 6)
• 1/2 cup heavy/thickened cream (for whipping)
• 3 tbsp Nutella , warmed