01 -
Preheat oven to 350°F (180°C) conventional heat.
02 -
Peel the potatoes and slice them very thinly. Finely chop the onion and garlic. Grease a baking dish with butter.
03 -
Pour the cream and milk into the baking dish and mix with salt, pepper, nutmeg, and Parmesan. Then fold in the potato slices, onions, and garlic.
04 -
Bake in the preheated oven for 30 minutes, then sprinkle with grated cheese and small dots of butter and bake for another 30 minutes. (Depending on your oven, baking time may be longer)