Preheat the oven to fan 150°

Slice potatoes into thin slices and parboil them. Drain/dry.

Crush the garlic and rub the baking tray with the clove. (Optional) mince the crushed garlic and leave in the tray.

Heat the cream without boiling. Add sliced potatoes to a deep tray in layers. Each layer should be applied with warm cream and seasoned very lightly with salt and pepper.

Dust the nutmeg evenly as possible over the layered potatoes and do the same with a handful of cheese.

Add small cubes of butter all over the top. The smaller the better.

Cover with foil and bake fire at least an hour. (Optional) turn on the grill or high heat to brown the top.

Serve.