Combine almond flour, erythritol, and baking powder in a bowl and mix well.
In a separate bowl, mix eggs, coconut oil, and vanilla extract, then add to the dry ingredients.
Mix until the dough forms into one cohesive mass.
Shape the dough into a round and place it on a baking tray.
Bake in a preheated oven at 170°C for 20 minutes.