Preheat oven to 300 degrees.
Grease and line a 9 inch springform with parchment.
Beat cream cheese, sugar and flour until fluffy.
Add the pumpkin, eggs and vanilla until smooth.
Pour into the pan and bake 1 hour and 15 minutes.
Shut heat and leave cake in oven 15 mins. Then, crack door open for another 15 mins.
Remove cake and cool.
Pop into freezer to firm it up.