Preheat the oven to 210°C.
In a bowl, combine Greek yogurt and cream cheese thoroughly.
Add sugar, eggs, and vanilla extract in order, mixing well each time.
Sift corn starch and gently mix it in.
Pour the batter into a pan lined with parchment paper.
Bake at 210°C for 23-25 minutes.
Let it cool at room temperature, then chill in the refrigerator until firm.