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Gratin Dauphinois
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Gratin Dauphinois
A rich and creamy French dish originating from the Dauphiné region, Gratin Dauphinois is a classic potato gratin made with thinly sliced potatoes, cream, and cheese. This recipe is perfect for a comforting side dish or a satisfying main course. The combination of tender potatoes, caramelized onions, and a crispy, golden-brown crust is sure to impress. This dish is often served during the winter months and is a staple of French cuisine.
Time Cook
45
Level
Intermediate
Calories
420
Allergens
Dairy, Gluten
Ingredients
3 large
Potatoes
150 Calories
1 large
Onions
45 Calories
2 tablespoons
Butter
140 Calories
1 tablespoon
Flour
10 Calories
1 cup
Milk
50 Calories
1 cup
Cheese
100 Calories
1/2 teaspoon
Salt
0 Calories
1/4 teaspoon
Pepper
0 Calories
Step-by-Step Instructions
1
Preheat the oven to 375°F (190°C). Peel the potatoes and slice them into 1/8-inch thick rounds. Place the sliced potatoes in a large bowl of cold water to prevent them from turning brown.
2
In a large saucepan, melt the butter over medium heat. Add the sliced onions and cook until they are softened and caramelized, stirring occasionally. This should take about 20-25 minutes.
3
In a separate saucepan, make the bechamel sauce. Melt the butter over medium heat, then add the flour and whisk together to make a roux. Cook the roux for 1-2 minutes, then slowly add the milk, whisking constantly. Bring the mixture to a simmer and cook until it thickens, stirring occasionally.
4
In a greased 9x13-inch baking dish, create a layer of potatoes. You can overlap the slices slightly, but try to maintain a single layer. Sprinkle a few tablespoons of the bechamel sauce over the potatoes, then add a sprinkle of grated cheese. Repeat this process until all of the ingredients are used up, finishing with a layer of cheese on top.
5
Cover the dish with aluminum foil and bake for 30 minutes. Remove the foil and continue baking for an additional 20-25 minutes, or until the top is golden brown and the potatoes are tender.
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Where cooking meets life and technology.
© 2025 Cooklaif