Preheat the oven to 180°C (356°F).
Combine flour, baking powder, sugar, and salt in a bowl.
Cut the cold butter into small pieces and mix it into the flour mixture until it resembles coarse crumbs.
Add milk and egg, then knead to form a dough.
Shape the dough into your preferred size and form.
Place the dough on a baking tray and bake for 20 minutes.