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Classic Potato Dauphinoise (Gratin Dauphinois)

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  • Author: Emma Delaney
  • Prep Time: 15 minutes
  • Cook Time: 70 minutes
  • Total Time: 1 hour 25 minutes
  • Yield: 6 servings 1x
  • Category: Side Dish
  • Method: Baking
  • Cuisine: French
  • Diet: Vegetarian

Description

Classic French potato dauphinoise features thinly sliced potatoes baked in a luxurious, garlic-infused cream sauce with melted cheese. Rich, golden, and irresistibly tender, it’s the ultimate comfort food side dish.


Ingredients

Units Scale
  • 2 lbs Yukon Gold or Russet potatoes, peeled and thinly sliced
  • 2 cups heavy cream
  • 1 cup whole milk
  • 2 garlic cloves, minced
  • 1/4 tsp ground nutmeg
  • 1 tsp salt
  • 1/2 tsp black pepper
  • 1 cup grated Gruyère cheese (or a mix of Gruyère and Parmesan)
  • Butter for greasing the baking dish

Instructions

  1. Preheat oven to 375°F (190°C). Lightly butter a medium-sized baking dish.
  2. In a saucepan, combine cream, milk, garlic, nutmeg, salt, and pepper. Heat over medium until warm, but do not boil. Remove from heat.
  3. Arrange half of the potato slices in the prepared baking dish, slightly overlapping.
  4. Pour over half of the warm cream mixture and sprinkle with half of the cheese.
  5. Repeat with remaining potatoes, cream mixture, and cheese.
  6. Cover with foil and bake for 40 minutes.
  7. Remove foil and bake uncovered for an additional 25–30 minutes, or until the top is golden and bubbly and potatoes are fork-tender.
  8. Let rest for 10 minutes before serving.

Notes

  • Use a mandoline slicer for evenly thin potato slices.
  • Gruyère provides a nutty depth of flavor, but can be substituted with sharp cheddar or a Parmesan mix.
  • For added flavor, rub the baking dish with a cut clove of garlic before layering the potatoes.

Nutrition

  • Serving Size: 1 serving
  • Calories: 380
  • Sugar: 3g
  • Sodium: 410mg
  • Fat: 26g
  • Saturated Fat: 16g
  • Unsaturated Fat: 8g
  • Trans Fat: 0g
  • Carbohydrates: 29g
  • Fiber: 3g
  • Protein: 8g
  • Cholesterol: 85mg