Mix one spoon of Greek yogurt, one banana, one spoon of allulose, 3 teaspoons of cocoa powder, and one egg. Microwave for 6 minutes. Use the remaining Greek yogurt as a cream cheese replacement.
Preheat the oven to 180°C.
Wrap tofu with a paper towel to remove excess moisture.
Put tofu, banana, unsweetened cocoa powder, erythritol, and egg white into a blender and blend until smooth.
Pour the batter into a pan lined with parchment paper.
Bake in the preheated oven at 180°C for 25 minutes.
Let it cool, then slice and serve.