1 Peel and wash the potatoes. Cut them into thin slices (about 4 mm). Wash and dry them. Mix them in a bowl with salt, pepper and nutmeg.
2 Preheat the oven to 180 °C (th 6). Grate the Beaufort. Peel and cut the clove of garlic in 2, rub a cake pan (or a cast iron terrine) d'environ 20 X 10 X 15 cm. Then butter it
3 Line the bottom and sides of the mould with the slices of ham, letting them protrude. Alternate slices of potato, Beaufort cheese and thyme leaves.
4 Fold the slices of ham over the preparation. Wrap the mould with aluminium foil. Put in the oven for 1h15. Wait 10 minutes before unmoulding and serving.