Preheat the oven to 180°C (356°F).
Combine whole wheat flour, baking powder, and salt in a bowl.
Cut cold butter into small pieces and mix it into the flour by hand.
Add milk and honey and form the dough into a ball.
Roll the dough out to 2cm thick and cut into triangles.
Place on an oven tray lined with parchment paper.
Bake in the preheated oven for 20 minutes.