Classic French Gratin Dauphinois
Thinly sliced potatoes baked in a creamy sauce made with Gruyère and a hint of nutmeg.
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4-6 SERVINGS
PREP TIME: ABOUT 1 HOUR 45 MINUTES
INGREDIENTS
- 3 russet potatoes (approximately 2 pounds)
- 1 cup heavy cream
- 1/2 cup 2% milk
- 4 Tablespoons salted butter, melted, divided
- 1 large clove garlic, finely minced
- Freshly grated nutmeg
- 1 teaspoon salt
- 1/4 teaspoon cracked pepper
- 2 cups Gruyère cheese, grated
- 1 teaspoon dried thyme leaves
HOW TO MAKE IT
- Preheat oven to 350°F.
- Brush 2 tablespoons melted butter into a 12.5” oval Staub gratin baking dish and set aside.
- In a large measuring cup, combine cream, milk, garlic, and remaining 2 tablespoons butter. Stir to mix.
- Slice potatoes 1/8-inch thick using a mandoline or sharp knife.
- Layer 1/3 of the potatoes in the dish, pour 1/3 of the cream mixture over, sprinkle with thyme, salt, pepper, and 1/3 of the Gruyère.
- Repeat for the second and third layers, reserving the last 1/3 of cheese.
- Cover with foil and bake for 90 minutes until potatoes are tender.
- Remove foil, top with remaining Gruyère, and bake for 15 minutes until cheese melts.
- Broil for 2–3 minutes to brown the cheese.