Crush the biscuits into powder. Melt the butter and add it the biscuits. Mix well.
Put a wax paper sheet in the bottom of the springform pan. Butter the edges of the pan, and pour the previous mix. Press it well on the bottom and the edges of the mould using a spoon. Put in the fridge until you need it.
In a bowl, put the cream cheese, the sugars, and whisk to make it loose.
Add the eggs and the flour, and combine until smooth.
Finally, pour in the cream and mix well.
Pour this batter into the springform pan.
Bake 40 minutes at 375°F (190°C).
Leave to cool after baking, then put a few hours in the fridge before unmoulding.
There you are, your New York cheesecake is ready!