Sweet Potato Au Gratin

Sweet Potato Au Gratin is a gourmet delight that’s sure to standout. This dish offers a delicious blend of garlic, rosemary, and Parmesan cheese that compliments the sweet potatoes. It will impress anyone that dines at your table. 

Sweet Potato Au Gratin

Servings: 8 Servings
Author: Rose Thicket Farms

Equipment

  • Mandolin slicer

Ingredients

Cream Sauce

  • 2 cups heavy cream
  • 2 cloves garlic minced
  • 1/2 tsp dried thyme
  • 1/2 tsp dried rosemary
  • 2 tsp salt
  • 1/4 tsp black pepper
  • 1/8 tsp smoked paprika

Potatoes & Cheese

  • 2 pounds sweet potatoes peeled
  • 4.5 ounces of good quality Parmesan Cheese grated

Instructions

  • Preheat to 400 degrees.
  • Grease a 3 1/2 quart Dutch oven.
  • In a measuring cup, make the cream sauce by whisking together heavy cream, garlic, thyme, rosemary, salt, pepper, and smoked paprika.
  • Grate the Parmesan cheese and set aside.
  • Slice the sweet potatoes to 1/8 inch thickness using a mandolin slicer.
  • Pour a thin layer of cream sauce in the bottom of the dish.
  • Layer sweet potatoes overlapping slightly. Ladle a small amount of cream over the potatoes. Sprinkle some cheese on the top.
  • Repeat the layers until all of the potatoes have been used.
  • Pour the remaining cream on top and sprinkle with the remaining cheese.
  • Bake for 40 minutes uncovered. Cover the dish and continue baking for an additional 15 minutes.
  • Remove from the oven and allow to rest for 30 minutes (covered) to set.
  • Serve.

Notes

If you do not have a Dutch oven, use a comparable size baking dish.
If your dish doesn’t have a lid, you can use aluminum foil to cover for the last 15 minutes of cook time.

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Whether you’re hosting a gathering or preparing a weeknight meal, this Sweet Potato Au Gratin will be an irresistible side dish to any main course. Please comment and share a picture of your success here with me. Connect with me on social media for more inspiration. If you are looking for a delicious entree to pair with this side dish, check out my Pan Seared Pork Chops recipe here.