Soften the cream cheese until smooth.
Add sugar and mix well.
Add the eggs one at a time, mixing thoroughly after each addition.
Pour in the heavy cream and blend evenly.
Sift in the cake flour and mix until just combined.
Pour the batter into a pan lined with parchment paper.
Bake at 200°C (392°F) for 40 minutes in a preheated oven.
Let it cool completely, then refrigerate.