Preheat the oven to 180°C (356°F).
In a bowl, mix together almond flour, baking powder, and salt.
Add eggs, erythritol, and coconut oil, and knead into a dough.
Shape the dough into a round and place it on a baking tray.
Bake in the oven at 180°C (356°F) for 20 minutes.