Gratin Dauphinois (pronounced in English as grah-tan doh-fwah-NWAH) is a traditional French recipe, made with thinly sliced potatoes topped with a mixture of fresh cream, milk, nutmeg, salt, and pepper. The mixture is then layered in a baking dish rubbed with a clove of garlic and buttered. All that's left to do is bake the dish in the oven for about an hour, until it's tender and has a golden, crispy crust on top.
Perfect for a family lunch or dinner with friends as a single dish, complemented by a side of seasonal vegetables, gratin dauphinois can be made in several variations. We chose the classic version from the Dauphiné region, from which it takes its name, but it can also be enriched with Gruyère cheese (in this case, it is called gratin savoyard).
Gratin Dauphinois Origins
Gratin Dauphinois originates from the Dauphiné region in southeastern France, a mountainous area known for its rich dairy production and hearty cuisine. Traditionally, it is made with thinly sliced potatoes baked in cream and sometimes milk, often flavored with garlic and butter, resulting in a golden, creamy, and indulgent side dish. The dish dates back to the 18th century, when potatoes became widely accepted in French cooking, and it was initially prepared for special occasions and family gatherings. Over time, Gratin Dauphinois has become a classic of French gastronomy, celebrated for its simplicity, comfort, and ability to showcase high-quality local ingredients.
Gratin Dauphinois Vs. Scalloped Potatoes
Gratin Dauphinois is a classic French dish, it is made with thinly sliced potatoes baked in cream or milk, often with garlic, and traditionally does not include cheese (though some modern versions add it). The potatoes are usually layered in a buttered dish and baked slowly until creamy and tender, creating a smooth, rich texture. Scalloped potatoes, on the other hand, is a North American dish is similar but often includes cheese in the sauce, typically a roux-based cream or milk sauce. It may also incorporate onions and sometimes butter in the layers. The end result is a richer, cheesier casserole, often less delicate than the French version.
Gratin Dauphinois Variations
Gratin Dauphinois has several popular variations, each adding a subtle twist while keeping the dish creamy and comforting:
- Classic Gratin Dauphinois – Made with thinly sliced potatoes, cream, milk, garlic, and butter; no cheese is added.
- Cheesy Gratin Dauphinois – Some versions include Gruyère, Comté, or Emmental sprinkled between layers or on top for a golden crust.
- Potatoes with onions – Thinly sliced onions are added to the layers for extra sweetness and aroma.
- Herb-infused – Fresh herbs such as thyme, rosemary, or nutmeg can be incorporated into the cream for added fragrance.
- Mixed potatoes – Some cooks combine yellow-fleshed and waxy potatoes for a balance of creaminess and texture.
- Milk-only version – For a lighter version, some recipes use only milk instead of cream, resulting in a slightly less rich but still tender gratin.
- Individual portions – Instead of a large casserole, some make mini gratins in ramekins, often topped with a breadcrumb crust for extra crunch.
What Potatoes Should You Use?
For a flawless result, we suggest using potatoes with firm flesh and a slightly sweetish flavor, such as the Charlotte variety; Monalisa, with a more floury consistency, will also work well.
Why Did My Gratin Dauphinois Curdle?
It’s usually because the cream or milk overheated, was too close to expiration, or contained acidic ingredients added too early. Heating dairy too quickly or at high temperatures can cause the proteins to coagulate, resulting in a grainy texture. To prevent curdling, use fresh, full-fat cream, heat gently if pre-warming, avoid adding acids before baking, and cook the gratin slowly at a moderate oven temperature for a smooth, creamy result.
What Can I Serve With Gratin Dauphinois?
Its rich, creamy texture complements roast meats like beef, pork, or chicken, and it’s excellent alongside grilled or roasted vegetables. For a lighter meal, serve it with a fresh green salad to balance the richness, or pair it with herb-crusted fish for an elegant combination. The dish’s subtle flavors also work well with roasted game or sausages, making it a versatile side for both everyday dinners and special occasions.
Can I Make This Ahead of Time?
Yes! Prepare the potatoes and cream mixture as usual, assemble it in your baking dish, and cover it tightly with plastic wrap or foil. You can refrigerate it for up to 24 hours before baking. When ready to cook, bake it straight from the fridge, adding a few extra minutes to ensure it heats evenly and becomes golden and bubbly.
Can I Freeze Gratin Dauphinois?
Yes, but there are a few things to keep in mind! Assemble the gratin as usual, then wrap it tightly in plastic wrap and aluminum foil or place it in an airtight freezer-safe container. Freeze for up to 2 months. When ready to eat, thaw it in the refrigerator overnight and then bake at a moderate temperature until heated through and golden.
Ingredients
How to Make Gratin Dauphinois
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To prepare the gratin dauphinois, start by rubbing the garlic on the bottom of the mold or baking dish you'll be using for cooking. Then grease the dish with half the butter.
To prepare the gratin dauphinois, start by rubbing the garlic on the bottom of the mold or baking dish you'll be using for cooking. Then grease the dish with half the butter.
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Peel the potatoes, rinse them and cut them into thin slices, no more than 3 mm thick.
Peel the potatoes, rinse them and cut them into thin slices, no more than 3 mm thick.
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Make the dressing: In a bowl, mix the cream with the milk, salt, pepper and nutmeg.
Make the dressing: In a bowl, mix the cream with the milk, salt, pepper and nutmeg.
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Assemble the dish: spread a thin layer of sauce on the bottom of the baking dish, then arrange a first layer of potatoes, overlapping them slightly.
Assemble the dish: spread a thin layer of sauce on the bottom of the baking dish, then arrange a first layer of potatoes, overlapping them slightly.
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Pour more sauce until the potatoes are covered. Continue in the same manner, alternating potato slices and seasoning, until all the ingredients are used up.
Pour more sauce until the potatoes are covered. Continue in the same manner, alternating potato slices and seasoning, until all the ingredients are used up.
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Finish with a final layer of sauce and sprinkle the surface with the remaining butter in flakes. Bake in a preheated oven at 355°F/180°C, placing the baking dish in the lower rack, for about 1 hour.
Finish with a final layer of sauce and sprinkle the surface with the remaining butter in flakes. Bake in a preheated oven at 355°F/180°C, placing the baking dish in the lower rack, for about 1 hour.
At the end of the cooking time, the potatoes should be soft and the surface golden and crispy. If the surface gets too dark, cover with aluminum foil and finish cooking. Finally, remove from the oven and let it rest for a few minutes before serving.
At the end of the cooking time, the potatoes should be soft and the surface golden and crispy. If the surface gets too dark, cover with aluminum foil and finish cooking. Finally, remove from the oven and let it rest for a few minutes before serving.
The gratin dauphinois is ready to be enjoyed!
The gratin dauphinois is ready to be enjoyed!
Storage Instructions
Gratin dauphinois can be stored in the refrigerator, tightly closed in an airtight container, for up to 2 days. When ready to enjoy, reheat it briefly in the oven, air fryer, or microwave.
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