★Optional: 5-6 drops of vanilla extract
Preheat the oven to 210°C.
Mix cream cheese and Greek yogurt until smooth.
Add erythritol and eggs, and mix well.
Add coconut flour and vanilla extract, and mix evenly.
Divide the batter into two portions.
Add unsweetened cocoa powder to one portion and mix.
Pour both batters side by side into a parchment-lined pan.
Bake in the oven for 25 minutes.
Cool completely, then refrigerate for at least 2 hours.