180°C for 20 minutes
Preheat the oven to 200°C.
Combine cake flour, baking powder, sugar, and salt in a bowl and mix together.
Cut cold butter into small pieces and mix with your fingertips until the dough becomes crumbly.
Add milk and eggs, and mix until the dough comes together into one mass.
Roll the dough out to a thickness of 2cm and cut into triangles.
Place the pieces on a baking tray lined with parchment paper.
Bake in a preheated oven at 180–200°C for 15–20 minutes.