Preheat the oven to 180°C (356°F).
In a bowl, mix almond flour, erythritol, baking powder, and salt.
In another bowl, combine the egg, olive oil, and vanilla extract.
Combine the dry and wet ingredients, then add espresso powder and dark chocolate chips, mixing well.
Shape the dough into balls and place them on a baking sheet.
Bake in the preheated oven for 12-15 minutes.