Easy Au Gratin Potatoes Recipe

User Reviews

5.0

18 reviews
Excellent
  • Prep Time

    20 mins

  • Cook Time

    1 hr 20 mins

  • Additional Time

    5 mins

  • Total Time

    1 hr 35 mins

  • Servings

    8 people

  • Calories

    344 kcal

  • Course

    Side Dish

  • Cuisine

    French

Easy Au Gratin Potatoes Recipe

Layers of thinly-sliced potatoes, a creamy sauce and two different types of cheese make this the best Easy Au Gratin Potatoes recipe you'll ever taste!

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Ingredients

Servings
  • 3 tablespoons salted butter
  • 3 tablespoons all-purpose flour
  • 2 cloves garlic, minced or pressed
  • 1 cup whole milk
  • 1 cup heavy cream
  • 1 ½ teaspoons minced fresh thyme leaves or ½ teaspoon dried thyme
  • Kosher salt and ground black pepper, to taste
  • teaspoon freshly-grated nutmeg
  • ½ cup grated cheddar cheese
  • ½ cup grated gruyere cheese
  • 2 ½ lbs. russet potatoes (about 5 medium), peeled and sliced ⅛-inch thick
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Instructions

  1. Preheat oven to 400° F. Grease a 2-quart baking dish; set aside.
  2. In a large skillet, melt the butter over medium heat. Whisk in the flour and garlic; cook for 1 minute. Gradually whisk in the milk and cream; cook, whisking, until thickened, another 2 minutes or so. Add the thyme, salt, pepper, nutmeg, half of the cheddar and half of the Gruyere. Whisk for about 1 more minute, making sure that all of the cheese is melted. Taste and season with additional salt and pepper, if necessary.
  3. Arrange half of the potatoes in the prepared baking dish. Season with a little bit of salt. Pour half of the sauce over top. Arrange the remaining potatoes on top, season with another pinch of salt, and pour the remaining sauce over all. Sprinkle with remaining cheese. Cover and bake for 50-60 minutes (or until the potatoes are just about tender), then uncover and bake until browned on top, an additional 15-20 minutes. Let cool slightly, then serve.

Notes

  • Use russet potatoes or another starchy potato (like Yukon Gold) for the best texture and the creamiest sauce.
  • Add finely-diced or thinly-sliced onions to the layers of potatoes in the dish if you'd like some onion flavor in the au gratin potatoes.
  • Au gratin potatoes and ham are a classic combination! Turn this easy side dish into an entrée by adding diced ham to the layers of potatoes.
  • Heavy cream is an essential ingredient, so do not substitute with half-and-half or additional milk.
  • Fresh thyme adds a lovely, savory touch to the dish. If you prefer, you can omit the thyme or substitute with other herbs that you enjoy. Good options include parsley, chives or rosemary.
  • Pick a flavorful, high-quality cheese for the best potatoes au gratin! If you can't find Gruyere, you can substitute with Swiss cheese, or just use additional sharp cheddar cheese.

Nutrition Information

Show Details
Serving 1/8 of the recipe Calories 344kcal (17%) Carbohydrates 30g (10%) Protein 9g (18%) Fat 21g (32%) Saturated Fat 13g (65%) Trans Fat 1g Cholesterol 72mg (24%) Sodium 141mg (6%) Potassium 672mg (19%) Fiber 2g (8%) Sugar 3g (6%) Vitamin A 768IU (15%) Vitamin C 8mg (9%) Calcium 208mg (21%) Iron 1mg (6%)

Nutrition Facts

Serving: 8people

Amount Per Serving

Calories 344 kcal

% Daily Value*

Serving 1/8 of the recipe
Calories 344kcal 17%
Carbohydrates 30g 10%
Protein 9g 18%
Fat 21g 32%
Saturated Fat 13g 65%
Trans Fat 1g 50%
Cholesterol 72mg 24%
Sodium 141mg 6%
Potassium 672mg 14%
Fiber 2g 8%
Sugar 3g 6%
Vitamin A 768IU 15%
Vitamin C 8mg 9%
Calcium 208mg 21%
Iron 1mg 6%

* Percent Daily Values are based on a 2,000 calorie diet.

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Overall Rating

5.0

18 reviews
Excellent

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