Preheat the oven to 210°C.
Put Greek yogurt, cream cheese, and sugar into a bowl and mix well.
Add eggs one by one, mixing thoroughly each time.
Sift cake flour into the mixture and blend evenly.
Line the pan with parchment paper and pour in the batter.
Bake in the preheated oven for 25-30 minutes.
Cool, then cut into bite-sized pieces.