Combine almond flour, baking powder, and salt in a bowl and mix well.
Add erythritol and softened butter to the mixture and blend until smooth.
Add eggs and vanilla extract, mixing until a dough forms.
Flatten the dough on baking paper and cut it into triangles.
Bake for 20 minutes in a preheated oven at 180°C (356°F).
Cool on a wire rack.