Use hot water to soften the cream cheese, add sugar and stir.
Add in 3 eggs with a egg yolk, pour it into the cream cheese for 3 separate times and stir.
Add in whipping cream and cornstarch. Mix well and filter it.
Pour the batter into amould with oily paper and shake out the bubbles.
Preheat the oven at 220 degrees for 15 minutes, put the batter in and bake for 25 minutes, the take it out, and let it cool in the refrigerator for 4 hours.