Preheat the oven to 180°C (356°F).
Combine almond flour, baking powder, salt, and zero sugar in a bowl.
Cut cold unsalted butter into small pieces and mix evenly with your hands.
Add the egg and milk, then gather the dough into a single mass.
Roll the dough thickly and cut into triangles or circles.
Place the shaped dough onto a baking pan lined with parchment paper.
Bake in the 180°C (356°F) oven for 20 minutes.