1. Heat up the cream cheese, microwave it for about a minute

2. Stir the heated with cream cheese, put the vanilla seeds and sugar in.

3. Blend it togther.

4. Put in the soften butter, and mix it evenly.

5. Pour in the sour cream and stir it.

6. Mix the whole egg and york together.

7. Pour the 1/4 at a time in to the mixture and mix it smoothly.

8. Dust over the corn starch into the mixture and blend it well.

9. After Pour the mixture in to a mould, and place the mould into a flat bakeware filled with 1-1.5cm water.

10. Preheat the oven to 180 degress and baked it about 50min to an hour.

11. Do not take it out from the oven immediately, let the cake cool for 40 min in the oven.