2 1/2 lbs potatoes - peeled, washed, dried and sliced
1 lb Gruyere cheese - grated
1 cup half and half
3 tablespoons crème fraîche
1 garlic clove - peeled and cut in half
1 teaspoon nutmeg
1 teaspoon butter
Salt and pepper
Rub butter all over the inside and sides of an 8 inch cast iron skillet or baking dish
Rub the cut side of the garlic all over the inside and sides of the skillet.
In a medium bowl, mix cheese, half & half, crème fraîche, nutmeg, salt and pepper.
Arrange potatoes in a single layer on the skillet.
Top with cheese mixture.
Repeat this process 2 more times.
Top with remaining cheese mixture.
Sprinkle some nutmeg.
Cover skillet with foil.
Bake for about 1 hour or until potatoes are soft.
Remove foil and let bake for another 20 minutes.