Sweet Potatoes Au Gratin
Indulge in the creamy comfort of Sweet Potatoes Au Gratin, a show-stopping side dish perfect for holiday gatherings or any special occasion. This luxurious recipe layers tender, thinly sliced sweet potatoes with a rich garlic-infused cream sauce and a decadent blend of Gruyere and Parmesan cheeses. Enhanced with the earthy aroma of fresh thyme and a hint of nutmeg, this dish bakes to golden, bubbly perfection in just over an hour. With its irresistible combination of sweet and savory, this Sweet Potatoes Au Gratin pairs beautifully with roasted meats or stands alone as a vegetarian centerpiece. Easy to prepare yet delightfully elegant, it's guaranteed to impress at any table.
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Recipe Information
Ingredients
- 4 large Sweet potatoes
- 2 cups Heavy cream
- 1 cup Milk
- 3 cloves Garlic
- 2 tablespoons Unsalted butter
- 2 cups Gruyere cheese
- 1 cup Parmesan cheese
- 1 teaspoon Fresh thyme
- 1 teaspoon Kosher salt
- 0.5 teaspoon Black pepper
- 0.25 teaspoon Ground nutmeg
Instructions
Preheat your oven to 375°F (190°C) and grease a 9x13-inch baking dish with butter or non-stick spray.
Peel the sweet potatoes and slice them thinly (about 1/8-inch thick) using a sharp knife or mandoline. Set aside.
In a medium saucepan, combine the heavy cream, milk, minced garlic, butter, thyme, nutmeg, salt, and pepper. Heat over medium heat until the mixture is warm, but do not let it boil. Stir gently to combine the ingredients.
Spread a single layer of sweet potato slices on the bottom of the prepared baking dish. Pour a small amount of the cream mixture over the layer, then sprinkle about 1/3 of the Gruyere cheese over the top.
Repeat layering with sweet potatoes, cream mixture, and cheese, ending with a final layer of cream and a generous topping of both Gruyere and Parmesan cheese.
Cover the dish tightly with aluminum foil and bake in the preheated oven for 40 minutes.
Remove the foil and continue to bake for an additional 20 minutes, or until the top is golden and bubbly and the sweet potatoes are tender when pierced with a fork.
Allow the dish to rest for 10 minutes before serving. Garnish with extra thyme leaves if desired.
Nutrition Facts
Calories |
620 | ||
|---|---|---|---|
% Daily Value* |
|||
| Total Fat | 46.7 g | 60% | |
| Saturated Fat | 28.1 g | 141% | |
| Polyunsaturated Fat | 0.0 g | ||
| Cholesterol | 135 mg | 45% | |
| Sodium | 664 mg | 29% | |
| Total Carbohydrate | 20.9 g | 8% | |
| Dietary Fiber | 2.8 g | 10% | |
| Total Sugars | 5.9 g | ||
| Protein | 24.5 g | 49% | |
| Vitamin D | 0.5 mcg | 3% | |
| Calcium | 782 mg | 60% | |
| Iron | 0.8 mg | 4% | |
| Potassium | 97 mg | 2% | |
*The % Daily Value tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.
