Preheat the oven to 170°C (338°F).
In a bowl, mix coconut flour, almond flour, and baking powder.
In another bowl, beat the eggs, coconut oil, and erythritol together.
Combine the dry and wet ingredients to form a dough.
Shape the dough into balls and place them on a baking sheet.
Bake in the preheated oven for 15 minutes.
Let them cool and enjoy.