Ingredients:
- 25 grams (1oz) butter, melted
- 1 sprig fresh thyme
- 1 1/2 cups heavy cream
- 1/2 cup grated Parmesan, plus more for broiling
- 2 pounds russet potatoes, peeled and cut into 1/8-inch thick slices
- Salt and freshly ground black pepper
- 2 1/2 cups Gruyere or Swiss cheese, grated
Course: lunch,main course,main dish,dinner