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Authentic recipe for Dauphinois gratin

Dauphinois gratin is a traditional specialty originating from the Dauphiné region in the southeast of France. Creamy, melting, and delicately golden, this friendly dish pairs perfectly with roasted meats, poultry, or simply a green salad for a comforting meal. Its secret lies in the simplicity of the ingredients and the slow cooking that enhances the potatoes.

Vegetarian Gratin Public
Course: Main course
Preparation time: 30 minutes
Cooking time: 90 minutes
Cost per serving: 0,47 €
Energy: 531 kcal / serving
Nutritional score:

Instructions

  • 1.   Preheat the oven to 160°C (320°F).
  • 2.   Prepare the dish: rub the bottom and sides of a gratin dish with the garlic clove cut in half, then generously butter.
  • 3.   Peel the potatoes, then quickly wash them (to remove surface starch but without soaking them). Carefully dry them with a clean towel.
  • 4.   Cut the potatoes into thin slices about 2 to 3 mm thick, using a mandoline or a sharp knife.
  • 5.   In a saucepan, pour the cream and milk. Add a pinch of salt, pepper, and, if desired, nutmeg. Heat gently until simmering.
  • 6.   Add the potato slices to the hot mixture and cook for 10 minutes over low heat, stirring gently to avoid breaking them.
  • 7.   Pour the mixture (potatoes + cream) into the gratin dish. Smooth the surface with a spatula.
  • 8.   Bake for about 1 hour 15 to 1 hour 30, until the top is nicely golden and the potatoes are meltingly tender.
  • 9.   Let it rest for 10 minutes before serving so the gratin sets well.

Notes & Suggestions

  • Some tips for a successful Dauphinois gratin

    Do not add grated cheese: the authentic Dauphinois gratin does not contain it (even though it's delicious, it's no longer the traditional recipe).

    Choose firm potatoes: they hold up well during cooking.

    Slow cooking is essential to achieve a melting and homogeneous texture.

    You can prepare the gratin the day before, let it cool, then gently reheat it in the oven before serving: it will be even better!

    For a lighter version, replace half of the cream with milk.

Ingredients for servings

  • 1 kg of firm-fleshed potato
  • 50 cl of heavy cream
  • 25 cl of milk
  • 1 garlic clove
  • 30 g of butter
  • salt (according to taste)
  • pepper (according to taste)

Rates

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Nutritional information *

  •  
    Per serving
    % RDA
  • Energy value
    531 kcal
    27 %
  • Fat
    37,06 g
    53 %
  • of which saturated
    25,5 g
    128 %
  • Carbohydrates
    37,09 g
    14 %
  • of which sugar
    6 g
    7 %
  • Protein
    8,68 g
    17 %
  • Fibers
    3,65 g
    ?
  •   More data
* As an indication, before cooking, RDA of the EU.

Reference