Prepare the cream cheese at room temperature until soft.
In a bowl, add cream cheese and sugar, then mix well.
Add eggs one at a time, whipping as you go.
Add cake flour and vanilla extract, then mix together.
Add melted butter and heavy cream, mixing evenly.
Pour the batter into an oven-safe pan.
Bake at 170°C (338°F) for 40 minutes.
Let cool completely, then refrigerate.