5 from 5 votes
Baked sweet potato casserole topped with parmesan cheese.
Sweet Potato Gratin
Prep Time
20 mins
Cook Time
2 hrs
Resting Time
10 mins
Total Time
2 hrs 30 mins

Sweet Potato Casserole made with cream and topped with Parmesan Cheese.

Course: Side Dish, Vegetable
Cuisine: American
Keyword: Swee Potato Gratin, Sweet Potato Casserole, Sweet Potatoes
Servings: 10 people
Calories: 293 kcal
Author: Kathy
  • 3 pounds sweet potatoes
  • 2 cups heavy cream
  • 3 sprigs fresh thyme
  • 4 leaves fresh sage
  • 1 orange peel
  • 1/2 teaspoon salt
  • 1/2 teaspoon pepper
  • 1/4 cup Parmesan Cheese Grated
  1. Place cream. thyme, sage and orange peel in a sauce pan. Bring to a boil and turn off heat. Allow mixture to sit for at least 15 minutes allowing flavors infuse into cream. Strain mixture and set infused cream aside.

  2. Peel and slice sweet potatoes into 1/8" slices.

  3. Spray a casserole dish (3 1/2 quart size) with non-stick cooking spray.

  4. Layer 1/3 of the sweet potato slices in the bottom of the casserole dish, overlapping slices.

  5. Sprinkle with salt and pepper.

  6. Pour 1/3 of the infused cream over potatoes.

  7. Repeat 2 times until all sweet potatoes and cream are used.

  8. After final layer, press sweet potatoes down firmly in pan.

  9. Cover with foil and place on a baking sheet. Place in a preheated 350 degree oven for one hour. Remove foil and continue baking for 45 minutes.

  10. When sweet potatoes are cooked trough and the mixture is bubbly and browned, sprinkle on Parmesan cheese. Return to oven for 15 minutes.

  11. Allow casserole to rest for 10-15 minutes before serving.

Recipe Video

Recipe Notes


To make ahead of time:

Nutrition Facts
Sweet Potato Gratin
Amount Per Serving
Calories 293 Calories from Fat 162
% Daily Value*
Fat 18g28%
Saturated Fat 11g69%
Cholesterol 67mg22%
Sodium 249mg11%
Potassium 494mg14%
Carbohydrates 29g10%
Fiber 4g17%
Sugar 6g7%
Protein 4g8%
Vitamin A 20044IU401%
Vitamin C 6mg7%
Calcium 105mg11%
Iron 1mg6%
* Percent Daily Values are based on a 2000 calorie diet.