Hasselback Potato Gratin
Recept od Ron z Sides.
- Servings: 6
Source: Umami
Ingredients
- ounces finely grated Gruyère or Comté cheese
- ounces finely grated Parmigiano-Reggiano cheese
- heavy cream
- tablespoon fresh thyme leaves, roughly chopped
- medium cloves garlic, minced
- Kosher salt and freshly ground black pepper
- to 3 1/2 pounds russet potatoes, peeled and sliced 1/8 inch thick on a mandoline
- tablespoons unsalted butter