How to Make Dauphinoise Potatoes - A Step-by-Step Guide

Dauphinoise potatoes, also known as gratin dauphinoise, is a classic French dish that features thinly sliced potatoes baked in a creamy sauce. This indulgent and comforting side dish is a perfect accompaniment to a variety of main courses, from roasted meats to grilled fish.

The name "dauphinoise" comes from the Dauphiné region in south-eastern France, where the dish originated. Traditionally, the potatoes are cooked in a mixture of cream, milk, and garlic, then baked until they are t...

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Ingredients

  • 2 tablespoons unsalted butter
  • 1 tablespoon minced garlic
  • 1 tablespoon all-purpose flour
  • 1 ½ cups heavy cream
  • 1 cup whole milk
  • 1 ½ teaspoons kosher salt
  • 2 pounds Yukon Gold potatoes, scrubbed and sliced 1/8-inch thick with peel
  • ½ teaspoon chopped fresh thyme, plus more for garnish
  • ⅛ teaspoon ground black pepper
  • cooking spray
  • 4 ounces Gruyere cheese, shredded

Information

  • Prep Time: 20 mins
  • Cook Time: 1 hr
  • Additional Time: 15 mins
  • Total Time: 1 hr 35 mins
  • Servings: 8

  • Preheat oven to 375 degrees F (190 degrees C). Grease a 2-quart baking dish.
  • Melt butter in a medium saucepan over medium-low heat. Add garlic; cook, stirring occasionally, until fragrant, 1 minute. Stir in flour; cook, stirring constantly, for 1 minute. Whisk in heavy cream, milk, and salt until smooth.
  • Add sliced potatoes and bring to a simmer; cook, gently stirring occasionally, until potatoes begin to soften, 12 to 15 minutes. Remove from heat; stir in thyme and pepper.
  • Layer 1/2 of the potatoes in the prepared baking dish; sprinkle 1/2 cup cheese evenly over potatoes. Top with remaining potatoes and spoon remaining liquid left in the pot over the potatoes.
  • Top with remaining 1/2 cup cheese.
  • Bake in preheated oven until sauce is thickened, top is browned in spots, and potatoes are tender, 40 to 45 minutes. Let stand 15 minutes before serving; garnish with additional thyme.
  • Nutrition

    350 cal.

    • Total Fat: 25g
    • Saturated Fat: 15g
    • Cholesterol: 87mg
    • Sodium: 444mg
    • Total Carbohydrate: 24g
    • Dietary Fiber: 2g
    • Protein: 9g
    • Potassium: 93mg