Mix the cream cheese and sweetener until smooth.
Add the eggs one at a time, mixing well after each addition.
Pour in the heavy cream and mix thoroughly.
Sift in flour and matcha powder, then combine until smooth.
Pour the batter into a mold lined with parchment paper.
Bake in a preheated oven at 200°C (392°F) for 25 minutes.
Let it cool completely before removing from the mold.