French Images are for illustrative purposes only, may be inaccurate, and do not guarantee the presence or absence of specific ingredients. 
Serving Images are for illustrative purposes only, may be inaccurate, and do not guarantee the presence or absence of specific ingredients. Gratin Dauphinois
Thin potato slices layered with cream, garlic, and Gruyère, baked until the top is deeply golden and the center is silky and rich.
Contains common allergens
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Instructions
6 steps- 1
Preheat the oven to 325°F (160°C). Generously butter a shallow 2-quart baking dish. Rub the inside of the dish forcefully with one of the smashed garlic cloves to release its oils.
- 2
Peel the potatoes and slice them uniformly into 1/8-inch thick rounds using a mandoline or a very sharp knife. Do not wash the potatoes after slicing; you want to retain their starch to thicken the cream.
- 3
In a large saucepan, bring the heavy cream, whole milk, the remaining smashed garlic clove, grated nutmeg, a generous teaspoon of salt, and a crack of black pepper to a gentle simmer.
- 4
Add the potato slices directly into the simmering cream mixture. Cook gently for 8-10 minutes, stirring occasionally to prevent sticking, until the liquid begins to thicken slightly from the potato starch.
- 5
Carefully transfer the potatoes and the hot cream mixture into the prepared baking dish using a slotted spoon, spreading them evenly. Pour enough of the remaining cream mixture over the top to just barely cover the potatoes.
- 6
Bake uncovered for 50-60 minutes, or until the potatoes are completely tender when pierced with a knife and the top has formed a beautifully browned, bubbling crust. Let rest for 15 minutes before serving.
Images are for illustrative purposes only, may be inaccurate, and do not guarantee the presence or absence of specific ingredients. Listahan Family Score™
72/100
Good fit for most families
Score reflects how well this recipe fits a typical busy household. In the app, your Family Score is personalized to your household's allergens, kids, and pantry.
Nutrition
per serving285
Calories
4 g
Protein
22 g
Carbs
20 g
Fat
Estimated per serving. Actual values depend on the brands and portions you use.
Listahan cooking guide
Chef notes & practical guide
Technique notes, ingredient swaps, serve-alongside ideas, storage guidance, and equipment for this recipe.
Cultural context
Gratin Dauphinois comes from the Dauphine region of southeastern France, near Grenoble, and is documented as far back as 1788, when it was served to a delegation of officials visiting Gap. The original recipe contained no cheese — just thinly sliced potatoes, cream, garlic, and butter baked slowly until the cream reduced and the top turned golden. Cheese was a later popular addition that has become so common outside France that many people do not know the cheese-free version exists. The dish is defined by the region's dairy: Dauphine cream is rich enough to produce a gratin that sets firmly and slices cleanly.
Listahan note
This version follows the cheese-free classic approach where the cream and starch from the potatoes create a silky, cohesive gratin that does not need cheese to be extraordinary.
Technique cues
- Do not rinse the potato slices after cutting — the surface starch is what helps the cream bind into a thick, custardy sauce as it bakes; rinsed potatoes produce a greasy, separated gratin.
- Rub the baking dish aggressively with a cut garlic clove before buttering it; the garlic oils perfume the cream from the first moment it touches the dish without visible garlic pieces in the finished gratin.
- Lay each layer of potatoes flat and press down gently before adding the next; air pockets between slices prevent the cream from penetrating evenly and create uneven cooking.
Kitchen flow
- Parallel prep
- Slice all the potatoes first, then prepare the baking dish; the cream can be warmed while you layer.
- Make-ahead
- Bake fully up to 2 days ahead; cool, cover, and refrigerate — reheat at 300 degrees covered with foil for 25 minutes, uncovering for 5 minutes to re-crisp the top.
- Leftover move
- Slice cold gratin into squares and pan-fry in butter until golden and crispy on both sides — it transforms into something that tastes entirely different and is arguably better.
- Cleanup rhythm
- The baking dish is the only significant cleanup item; soak immediately after serving in hot water to release the caramelized cream from the sides.
Ingredient brief
Role, handling, and swap guidance for each key ingredient.
waxy or all-purpose potatoes (Yukon Gold)
main ingredient
Purpose: Yukon Gold potatoes are starchy enough to thicken the cream but waxy enough to hold their shape in thin slices without crumbling.
Handling: Slice 1/8 inch thick on a mandoline or very carefully by hand; do not wash after slicing.
Adaptation: Russet potatoes give a fluffier interior and slightly grainier texture; avoid very waxy potatoes like red bliss, which stay too firm.
heavy cream
binding sauce
Purpose: Heavy cream has enough fat to stay stable over the long, slow bake without breaking, producing the silky, thickened sauce that makes Gratin Dauphinois distinct from any other potato preparation.
Handling: Warm the cream slightly before pouring over the potatoes so the baking time is not extended by starting cold.
Adaptation: A mix of equal parts heavy cream and whole milk produces a slightly lighter result; do not go below 30% fat or the cream may break during baking.
garlic
aromatic perfume
Purpose: Garlic rubbed into the dish and optionally thinly sliced between layers provides a subtle, haunting flavor that defines the gratin without announcing itself obviously.
Handling: Halve a clove and rub the cut surface firmly over every part of the buttered baking dish before adding potatoes.
Adaptation: Garlic confit pressed into the cream before pouring gives a sweeter, mellower garlic note.
whole milk (if using)
cream extender
Purpose: A proportion of milk lightens the cream slightly and reduces cost without compromising the set of the gratin.
Handling: Mix cold with the cream before warming together; do not use cold liquid poured over potatoes already in the dish.
Adaptation: Omit entirely and use all cream for the most luxurious result.
unsalted butter
dish coating and richness
Purpose: Butter prevents sticking and adds a layer of richness to the outside potatoes that the cream cannot provide on its own.
Handling: Use softened butter to coat the dish thoroughly, including the sides, before rubbing with garlic.
Adaptation: No useful substitute in this application; the butter is essential to the final texture.
Technique notes
- Press the potato layers down firmly with the back of a spatula before the cream is added so they lie flat; this step is why restaurant versions hold together cleanly when portioned and home versions often slide apart.
- If the cream is bubbling vigorously at the sides but the center is still liquid, reduce the oven temperature by 25 degrees and cover loosely with foil to allow even baking without burning the edges.
- Rest for at least 15 minutes out of the oven before cutting — gratin fresh from the oven is liquid inside; the resting time allows the cream and starch to set into cuttable portions.
Ingredient swaps
- Dairy-free direction
- Full-fat coconut cream in place of dairy cream produces a set gratin with a subtle coconut note; add extra garlic and thyme to compensate.
- Cheese version direction
- Scatter 2 ounces of grated Gruyere between every other layer and top the final layer generously; the cheese melts into the cream for a richer, more robustly flavored gratin.
Serve alongside
- Roasted leg of lamb
- Simple green salad with sherry vinegar
- Steamed haricots verts with butter
- White Burgundy or a light Cotes du Rhone
- Sparkling mineral water
Serving suggestions only — check pairings for your household's allergens.
Storage & reheating
- Refrigerate tightly covered for up to 3 days; the gratin firms up considerably when cold and can be sliced cleanly even when leftover.
- Do not freeze as the cream sauce separates and the potato texture suffers severely when thawed.
Equipment
- Mandoline slicer for uniform 1/8-inch potato slices
- 2-quart oval gratin dish or 9x13 baking dish
- Spatula for pressing down layers
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