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–+ servings
Potato Au Gratin

Creamy Potato Au Gratin: A Cozy Holiday Side Dish Delight

Delightful Potato Au Gratin, a creamy and cheesy dish that enhances any holiday dinner.
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Prep Time 20 minutes
Cook Time 55 minutes
Cooling Time 30 minutes
Total Time 1 hour 45 minutes
Servings: 6 servings
Course: Dinner
Cuisine: American
Calories: 350
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Cream Mixture
  • 2 cups Heavy Cream substitute with half-and-half for a lighter option
  • 2 cloves Garlic minced; use roasted garlic for a sweeter flavor
  • 1 tablespoon Fresh Thyme or 1 teaspoon dried thyme
  • 1 tablespoon Fresh Sage or less if using dried sage
  • 1 teaspoon Kosher Salt adjust according to cheese saltiness
  • 1/2 teaspoon Black Pepper freshly ground is best
  • 1/4 teaspoon Ground Nutmeg
For the Main Ingredients
  • 4 cups Sweet Potatoes peeled and thinly sliced
  • 1 cup Romano Cheese can substitute Gruyere or sharp cheddar

Equipment

  • Oven
  • casserole dish
  • Mandolin slicer
  • Small Pot
  • Whisk

Method
 

Step-by-Step Instructions for Potato Au Gratin
  1. Preheat your oven to 400°F (200°C) and lightly grease a 10x7 inch casserole dish.
  2. In a small pot, whisk heavy cream, minced garlic, thyme, sage, kosher salt, black pepper, and nutmeg over medium heat for 5 minutes.
  3. Peel and thinly slice sweet potatoes to about ⅛ inch thick, ideally using a mandolin slicer.
  4. Arrange a layer of sweet potatoes in the dish, pour some cream mixture over and sprinkle with Romano cheese.
  5. Continue layering sweet potato slices with cream mixture and cheese until all ingredients are used.
  6. Top the final layer with a generous sprinkle of Romano cheese.
  7. Bake uncovered for 40 minutes, then cover with foil and bake for an additional 15 minutes.
  8. Allow to cool for 30 minutes before serving.

Nutrition

Serving: 1servingCalories: 350kcalCarbohydrates: 50gProtein: 8gFat: 15gSaturated Fat: 8gCholesterol: 30mgSodium: 300mgPotassium: 800mgFiber: 5gSugar: 5gVitamin A: 20000IUVitamin C: 25mgCalcium: 300mgIron: 2mg

Notes

Slice sweet potatoes evenly for uniform cooking. Assemble up to 3 days in advance for easy entertaining.

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