Cheesy Au Gratin Potatoes

User Reviews

4.6

122 reviews
Excellent
  • Prep Time

    20 mins

  • Cook Time

    1 hr 25 mins

  • Total Time

    1 hr 45 mins

  • Servings

    6 servings

  • Calories

    506 kcal

  • Course

    Side Dish

  • Cuisine

    American

Cheesy Au Gratin Potatoes

Cheesy Au Gratin Potatoes layers thinly sliced russet potatoes with a blend of sharp cheddar, Monterey Jack, and Parmesan cheeses, topped with a creamy mixture of heavy cream and chicken broth. Baked until golden and tender, this dish features a rich, cheesy crust and soft, flavorful potatoes throughout.

Description

This gratin begins by coating shredded cheeses with cornstarch to prevent clumping. Thin slices of peeled russet potatoes (about 1/8 inch thick) are arranged in a baking dish in overlapping layers. Half of the cheese mixture and seasoning are sprinkled between layers, with the remaining cheese and seasoning layered on top. A mixture of heavy cream and low-sodium chicken broth is poured over the potatoes, providing moisture and richness as it bakes.

The dish is baked at 350°F until the potatoes are tender and the top is golden brown, typically 75 to 85 minutes. The cornstarch in the cheese helps create a smooth cheese sauce, while the layered potatoes absorb the creamy mixture for a tender texture. The combination of cheddar, Monterey Jack, and Parmesan cheeses offers a balance of sharpness, creaminess, and nutty flavor.

Serving after a 10-minute rest allows the gratin to set slightly for easier portioning. Uniformly thin potato slices are crucial for even cooking and texture, making a mandoline or slicing disk helpful. This dish makes a hearty side suitable for many meals.

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Ingredients

Servings
  • 1 ¼ cups cheddar cheese shredded sharp
  • 1 ¼ cups Monterey jack cheese shredded
  • ½ cup Parmesan Cheese grated
  • 2 teaspoons cornstarch
  • 3 pounds russet potato peeled and sliced 1/8-inch thick
  • salt
  • black pepper
  • ¾ cup heavy cream
  • ½ cup chicken broth low-sodium

Instructions

  1. Preheat the oven to 350 degrees and adjust an oven rack to the middle position. In a large bowl, toss the cheeses and cornstarch together until evenly coated.
  2. In a large gratin dish (about a 2- to 3-quart dish), shingle half of the potatoes. Sprinkle the potatoes evenly with 1 1/2 cups of the cheese mixture, 1/2 teaspoon salt, and 1/4 teaspoon pepper. Top with the remaining potatoes, shingling them neatly and evenly. Sprinkle another 1/2 teaspoon salt and 1/4 teaspoon pepper evenly over the top.
  3. Combine the cream and the broth in a large measuring cup and pour the mixture over the potatoes. Top with the remaining cheese mixture and bake until golden brown and a fork inserted into the center slides in easily with little resistance, 75 to 85 minutes. Let the potatoes cool for 10 minutes. Serve.

Notes

  • Uniform potato slices about 1/8-inch thick ensure even cooking; use a mandoline or food processor slicing disk for best results.
  • The cheese is coated with cornstarch to prevent clumping and create a smooth sauce.
  • Let the gratin rest 10 minutes before serving to set the layers for easier slicing.

Nutrition Information

Show Details
Serving 1 Serving Calories 506kcal (25%) Carbohydrates 43g (14%) Protein 21g (42%) Fat 29g (45%) Saturated Fat 18g (90%) Cholesterol 94mg (31%) Sodium 428mg (18%) Fiber 3g (12%) Sugar 2g (4%)

Nutrition Facts

Serving: 6servings

Amount Per Serving

Calories 506 kcal

% Daily Value*

Serving 1 Serving
Calories 506kcal 25%
Carbohydrates 43g 14%
Protein 21g 42%
Fat 29g 45%
Saturated Fat 18g 90%
Cholesterol 94mg 31%
Sodium 428mg 18%
Fiber 3g 12%
Sugar 2g 4%

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

Genuine Reviews

User Reviews

Overall Rating

4.6

122 reviews
Excellent

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