Creamy, cheesy Parmesan Scalloped Potatoes with tender layers of Yukon Golds baked in a rich garlic cream sauce — perfect for holidays or hearty dinners.
2½ lbs Yukon Gold potatoes, peeled and thinly sliced (⅛ inch)
1½ cups heavy cream
1 cup whole milk
3 tbsp unsalted butter
2 cloves garlic, minced
1½ cups freshly grated Parmesan cheese
½ cup grated Gruyère or sharp white cheddar (optional)
1 tsp fresh thyme leaves or ½ tsp dried
Salt and pepper to taste
Pinch of nutmeg (optional)
Preheat oven to 375°F (190°C). Butter a 9×13-inch baking dish.
In a saucepan, melt butter and sauté garlic for 1 minute. Add cream, milk, thyme, salt, pepper, and nutmeg. Simmer for 3–4 minutes. Stir in half the Parmesan.
Layer half the sliced potatoes in the dish. Pour half the cream mixture over. Repeat layers.
Top with remaining Parmesan and optional Gruyère.
Cover with foil and bake for 45 minutes. Uncover and bake another 25–30 minutes until golden and tender.
Let rest 10–15 minutes before serving.