Preheat the oven to 180°C (356°F).
In a bowl, mix together almond flour, baking powder, and salt.
In another bowl, combine the eggs, erythritol, and butter.
Add the dry ingredients to the wet ingredients and knead into a dough.
Shape the dough into balls and place them on a baking sheet.
Bake in the oven at 180°C (356°F) for 12 minutes.
Cool on a wire rack.