Mix all dry ingredients together, add cubed butter, and crumble by hand.
Add milk and gather the dough together.
Fold the dough and layer in sliced cheese between the folds.
Let the dough rest in the refrigerator for at least 30 minutes (you can also make it the night before).
Shape the dough and top with cheese.
Bake in a preheated oven at 160°–170°C for 20 minutes.