Mix cream cheese and sugar until smooth.
Add eggs one at a time, mixing well after each addition.
Add heavy cream and vanilla extract, and mix to combine.
Mix biscuit crumbs with melted butter and press into the bottom.
Pour the cheese batter into the pan.
Bake in a preheated oven at 170°C for 50 minutes.
Let it cool, then refrigerate for at least 2 hours.