Mix almond flour, erythritol, and baking powder in a bowl.
Add eggs and vanilla extract and mix thoroughly.
Add cocoa powder and melted butter to make a dough.
Chop Green Denmark Arve cheese into small pieces and mix into the dough.
Transfer the dough to a pan lined with parchment paper.
Bake in a preheated oven at 180°C for 20 minutes.
Let it cool, cut into pieces, and serve.