Preheat the oven to 180°C.
Soften the butter and mix in the erythritol.
Add the eggs and mix well.
Sift in almond flour, baking powder, and salt, then mix together.
Add the dark chocolate chips to complete the dough.
Portion the dough and place it on the baking tray.
Bake in the oven for 12~15 minutes.