1 garlic clove, peeled and halved 1 tablespoon unsalted butter, softened 2 1/2 cups whole milk 2 tablespoons minced shallots 1/4 teaspoon kosher salt 1/4 teaspoon freshly ground black pepper Dash of grated whole nutmeg 2 pounds Yukon gold potatoes, peeled and cut into 1/8-inch-thick slices 1/2 cup (2 ounces) shredded Gruyère cheese 1/4 cup (1 ounce) grated fresh Parmigiano-Reggiano cheese
- 1. Preheat oven to 375°.
- 2. Rub a broiler-safe 11 x 7-inch baking dish with garlic; discard garlic. Coat dish with butter. Combine milk and next 5 ingredients (through potatoes) in a skillet; bring to a simmer. Cook 8 minutes or until potatoes are almost tender. Spoon potato mixture into prepared baking dish. Sprinkle with cheeses. Bake at 375° for 35 minutes.
- 3. Preheat broiler. Broil 3 minutes or until golden. Let stand 10 minutes