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Potatoes Au Gratin


  • Author: Sally Thompson
  • Total Time: 1 hour 25 minutes
  • Yield: 8 servings 1x

Description

Potatoes Au Gratin is a rich and creamy side dish made by layering thinly sliced potatoes with a savory cream and cheese sauce, then baking until golden and bubbling. Perfect for holidays or a cozy dinner, it delivers comfort and elegance in every bite.


Ingredients

Scale
  • 2 lbs Yukon Gold potatoes, peeled and thinly sliced (1/8 inch)
  • 2 cups heavy cream
  • 2 cloves garlic, minced
  • 2 tablespoons unsalted butter (plus more for greasing the dish)
  • 1 cup grated Gruyère cheese
  • 1 cup sharp cheddar cheese, shredded
  • 1 teaspoon salt
  • 1/2 teaspoon black pepper
  • 2 teaspoons fresh thyme leaves (optional)

Instructions

  1. Preheat the oven to 375°F (190°C). Butter a 9×13-inch baking dish.
  2. Peel and thinly slice the potatoes, about 1/8 inch thick. Set aside in a bowl of cold water.
  3. In a saucepan, melt butter over medium heat. Add garlic and cook until fragrant.
  4. Add heavy cream, salt, pepper, and thyme (if using). Simmer for a few minutes, then remove from heat.
  5. Drain and pat the potato slices dry.
  6. Arrange a layer of potatoes in the baking dish, slightly overlapping.
  7. Pour some of the cream mixture over the potatoes and sprinkle with a mix of Gruyère and cheddar.
  8. Repeat layers until all ingredients are used, finishing with a cheese layer on top.
  9. Cover the dish with foil and bake for 45 minutes.
  10. Remove foil and bake uncovered for another 20–25 minutes until golden and bubbling.
  11. Let rest for 10 minutes before serving.
  • Prep Time: 20 minutes
  • Cook Time: 65 minutes