Potatoes Au Gratin Recipe

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Mya Leroux Modified: March 21, 2022
Potatoes Au Gratin Recipe

How To Make Potatoes Au Gratin

This potatoes au gratin is a creamy side dish with potato slices topped with spiced Parmesan cream, then baked to have a golden top crust.

Preparation: 10 minutes
Cooking: 45 minutes
Total: 55 minutes



  • 2cupsheavy cream
  • 1large egg
  • 1tspkosher salt
  • ¼tspcinnamon
  • ¼tspground nutmeg
  • tspcoarse ground black pepper
  • ¼cupgrated Parmesan cheese
  • 6large russet potatoes,peeled and sliced ¼-inch thick


  1. Preheat oven to 375 degrees F and spray an 8×8-inch baking dish with vegetable oil spray.

  2. In a large bowl, whisk together the heavy cream, egg, salt, cinnamon, nutmeg, black pepper, and Parmesan cheese until smooth.

  3. Add potatoes to the baking dish and carefully pour the custard over the potatoes.

  4. Bake, uncovered, for 45 to 50 minutes.


  • Calories: 301.14kcal
  • Fat: 16.04g
  • Saturated Fat: 9.84g
  • Trans Fat: 0.00g
  • Monounsaturated Fat: 4.63g
  • Polyunsaturated Fat: 0.72g
  • Carbohydrates: 34.66g
  • Fiber: 2.44g
  • Sugar: 2.29g
  • Protein: 6.40g
  • Cholesterol: 71.95mg
  • Sodium: 229.64mg
  • Calcium: 89.61mg
  • Potassium: 808.46mg
  • Iron: 1.71mg
  • Vitamin A: 176.13µg
  • Vitamin C: 10.76mg
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