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Creamy Potato Au Gratin

Irresistibly Creamy Potato Au Gratin That Feels Like Home

This Creamy Potato Au Gratin is a comforting dish with rich layers of potatoes, creamy texture, and a golden cheese crust.
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Prep Time 15 minutes
Cook Time 50 minutes
Resting Time 10 minutes
Total Time 1 hour 15 minutes
Servings: 6 servings
Course: Main Course
Cuisine: American
Calories: 350
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Potatoes and Cream Base
  • 4 cups Yukon Gold Potatoes thinly sliced
  • 2 cups Heavy Cream
  • 2 cloves Garlic Cloves minced
  • 1 teaspoon Salt
  • 1 teaspoon Pepper
For the Cheese and Topping
  • 1 cup Gruyère Cheese shredded
  • 1/2 cup Parmesan Cheese grated
  • 2 tablespoons Butter for dotting on top
For Optional Flavor Boosts
  • 2 sprigs Fresh Thyme or Rosemary optional
  • 1/2 teaspoon Onion Powder optional

Equipment

  • 9×13-inch baking dish
  • Mandoline or sharp knife
  • mixing bowl

Method
 

How to Make Creamy Potato Au Gratin
  1. Preheat your oven to 350°F. Generously butter a 9×13-inch baking dish.
  2. Slice Yukon Gold potatoes as thin as 1/8-inch using a mandoline or sharp knife.
  3. Mix heavy cream, minced garlic, salt, pepper, and a pinch of onion powder in a bowl until combined.
  4. Layer half the potato slices in the dish, pour half the cream mixture, then sprinkle with Gruyère and Parmesan. Repeat.
  5. Bake uncovered at 350°F for 45–50 minutes until the potatoes are tender and the cheese crust is golden brown.
  6. Rest gratin for 10 minutes before serving to thicken the cream.

Nutrition

Serving: 1cupCalories: 350kcalCarbohydrates: 30gProtein: 10gFat: 20gSaturated Fat: 12gPolyunsaturated Fat: 1gMonounsaturated Fat: 6gCholesterol: 60mgSodium: 500mgPotassium: 600mgFiber: 3gSugar: 2gVitamin A: 500IUVitamin C: 15mgCalcium: 200mgIron: 2mg

Notes

For best results, slice potatoes evenly and pat dry before layering. Let the dish rest for a cleaner slice.

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