Preheat the oven to 180°C (356°F).
Combine cake flour, baking powder, sugar, and salt in a bowl.
Add cold butter and mix with your hands until it resembles coarse crumbs.
Add milk and eggs to form a dough.
Roll out the dough thickly with a rolling pin and cut into triangles.
Place the dough pieces on a parchment-lined baking pan.
Bake in the oven at 180°C (356°F) for 20 minutes.