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Creamy & Cheesy Au Gratin Potatoes

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This comforting dish combines thinly sliced potatoes with a creamy, cheesy sauce, baked until golden and bubbly.

Ingredients

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  • 3 pounds Yukon Gold potatoes, thinly sliced (about â…› inch thick)
  • 1 medium onion, thinly sliced
  • 2 tablespoons unsalted butter
  • ¼ cup all-purpose flour
  • 1½ cups whole milk
  • 1 cup heavy cream
  • 1½ cups shredded sharp cheddar cheese
  • ½ cup shredded Gruyère cheese
  • ¼ cup grated Parmesan cheese
  • 1 teaspoon garlic powder
  • 1 teaspoon salt
  • ½ teaspoon freshly ground black pepper
  • Fresh parsley, chopped (for garnish)

Instructions

  • Preheat Oven: Preheat your oven to 375°F (190°C). Grease a 9×13-inch baking dish with butter or non-stick spray.
  • Prepare Potatoes and Onions: Arrange half of the sliced potatoes in an even layer in the prepared baking dish. Top with the sliced onions, then add the remaining potatoes on top.
  • Make the Cheese Sauce:
    • In a medium saucepan over medium heat, melt the butter.
    • Whisk in the flour to form a roux, cooking for about 1 minute until lightly golden.
    • Gradually whisk in the milk and heavy cream, stirring constantly to avoid lumps. Continue to cook until the mixture thickens, about 3-5 minutes.
    • Remove from heat and stir in the cheddar, Gruyère, and Parmesan cheeses until melted and smooth. Add the garlic powder, salt, and pepper, mixing well.
  • Assemble the Dish: Pour the cheese sauce evenly over the layered potatoes and onions, ensuring all pieces are well coated.
  • Bake: Cover the baking dish with aluminum foil and bake in the preheated oven for 60 minutes. Remove the foil and continue baking for an additional 15-20 minutes, or until the top is golden brown and the potatoes are tender when pierced with a fork.
  • Garnish and Serve: Allow the dish to rest for 10 minutes before serving. Garnish with freshly chopped parsley.

Notes

  • For uniform potato slices, consider using a mandoline slicer.
  • Yukon Gold potatoes are recommended for their buttery flavor and ability to hold their shape.
  • Feel free to experiment with different cheese combinations, such as adding Fontina or using only cheddar.

Find it online: https://recipe.newsvks.com/creamy-cheesy-au-gratin-potatoes/