– ▢2 pounds russet potatoes, peeled and thinly sliced – ▢ 2 tablespoon butter, cut into small piece – ▢1/3 cup shredded mozzarella cheese – ▢ 1/3 cup shredded asiago cheese – ▢ 1/3 cup shredded gruyere cheese – ▢ 1/4 cup freshly grated parmesan cheese – ▢1 large shallot, finely diced – ▢ 1 teaspoon chopped fresh thyme leave – ▢ 1 teaspoon salt – ▢ 1/2 teaspoon black pepper – ▢ 2 cups heavy cream – ▢ 1/4 teaspoon grated nutmeg