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Irresistible Scalloped Potatoes with Gruyere Cheese

scalloped potatoes with gruyere cheese - featured image

A creamy, cheesy scalloped potatoes recipe featuring nutty Gruyere cheese, perfect for holidays, cozy dinners, and weeknight treats. This easy homemade dish delivers tender potatoes with a golden, bubbly crust.

Ingredients

Scale
  • 3 pounds Yukon Gold or Russet potatoes, peeled and thinly sliced
  • 2 cups shredded Gruyere cheese (about 200g)
  • 2 cups heavy cream (480 ml)
  • 1 cup whole milk (240 ml)
  • 3 tablespoons unsalted butter, melted
  • 2 cloves garlic, minced
  • 3 tablespoons all-purpose flour
  • 1 teaspoon salt, plus extra for seasoning potatoes
  • ½ teaspoon freshly ground black pepper, plus a pinch more to finish
  • Pinch of nutmeg (optional)
  • 1 teaspoon fresh thyme, chopped (optional)

Instructions

  1. Preheat your oven to 375°F (190°C). Butter a 9×13-inch baking dish generously to prevent sticking and encourage browning.
  2. Peel and slice the potatoes into thin, even slices about 1/8 inch (3 mm) thick. Rinse slices in cold water to remove excess starch, then pat dry with a clean towel.
  3. In a medium saucepan over medium heat, melt 3 tablespoons of unsalted butter. Add minced garlic and sauté until fragrant but not browned, about 1 minute.
  4. Whisk in 3 tablespoons flour to form a roux and cook for 2 minutes, stirring constantly to avoid lumps.
  5. Slowly pour in 2 cups heavy cream and 1 cup milk, whisking continuously. Add 1 teaspoon salt, ½ teaspoon black pepper, and a pinch of nutmeg if using. Continue whisking until the sauce thickens and coats the back of a spoon, about 5-7 minutes.
  6. Remove from heat and stir in 1 ½ cups shredded Gruyere cheese until melted and smooth.
  7. Arrange half of the sliced potatoes in an even layer in the prepared baking dish. Pour half of the creamy Gruyere sauce over the potatoes, spreading evenly.
  8. Add the remaining potato slices on top and cover with the rest of the sauce.
  9. Sprinkle the remaining ½ cup shredded Gruyere cheese evenly over the top layer. If using fresh thyme, sprinkle it over the top as well.
  10. Cover the dish tightly with foil and bake in the preheated oven for 45 minutes.
  11. Remove the foil and bake uncovered for another 20-25 minutes, or until the top is golden brown and bubbly, and a knife easily pierces the potatoes.
  12. Let the scalloped potatoes rest for 10 minutes before serving.

Notes

Use a mandoline or sharp knife to slice potatoes evenly for uniform cooking. If sauce is too thick before baking, add a splash of milk; if too thin, cook longer on stove. Cover dish during most baking to retain moisture, uncover at end for golden crust. Let rest 10 minutes before serving for better texture.

Nutrition

Keywords: scalloped potatoes, Gruyere cheese, creamy potatoes, cheesy potatoes, holiday side dish, comfort food, easy potato recipe