Combine all dry ingredients and add chopped butter, then crumble by hand.
Add milk and mix until just combined.
Fold the dough, placing sliced cheese between the layers.
Let the dough rest in the refrigerator for at least 30 minutes (you can prepare it the day before).
Shape the dough and top with cheese.
Bake in a preheated oven at 160°–170° for 20 minutes.