1
Preheat the oven to 375°F (190°C).
2
Peel and grate the potatoes. Soak them in cold water with ice to prevent browning.
4
Make the cream by mixing butter, garlic, salt, pepper, paprika, and thyme (if using).
5
Add the heavy whipping cream (or heavy whipping cream + milk) to the cream mixture and mix well.
6
Gradually add the grated cheese to the cream mixture and mix until well combined.
7
Drain the potatoes and pat them dry. Arrange them in a baking dish.
8
Add the cream mixture to the potatoes and top with additional grated cheese.
9
Cover the dish with aluminum foil and bake for 45 minutes.
10
Remove the foil and bake for an additional 20-25 minutes, or until golden brown.
11
Garnish with fresh parsley and scallions, if desired.