Sweet White Potato Gratin
Indulge in the creamy, cheesy decadence of Sweet White Potato Gratin, a luxurious twist on a classic comfort food. This dish layers tender slices of sweet white potatoes with a rich blend of heavy cream, whole milk, and aromatic garlic, all infused with fresh thyme and a hint of nutmeg for a subtly warm kick. Topped with a perfectly melty combination of Gruyère and Parmesan cheeses, this gratin bakes to golden, bubbly perfection. Perfect for holiday gatherings or an elegant side dish, it pairs beautifully with roasted meats or a crisp, fresh salad. Quick to prepare in just 20 minutes and baked to perfection in an hour, this recipe serves six and is sure to elevate any meal to gourmet status.
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Recipe Information
Ingredients
- 2 pounds Sweet white potatoes
- 1.5 cups Heavy cream
- 0.5 cup Whole milk
- 2 large Garlic cloves
- 1 teaspoon Fresh thyme
- 0.25 teaspoon Ground nutmeg
- 1 tablespoon Unsalted butter
- 1.5 cups Gruyère cheese
- 0.5 cup Parmesan cheese
- 1 teaspoon Salt
- 0.5 teaspoon Black pepper
Instructions
Preheat your oven to 375°F (190°C). Grease a 9x13-inch baking dish with the unsalted butter and set aside.
Peel the sweet white potatoes and slice them into thin, even rounds about 1/8 inch thick. Use a mandoline for best results, or carefully slice with a sharp knife.
In a medium saucepan, combine the heavy cream, whole milk, minced garlic, fresh thyme, ground nutmeg, salt, and black pepper. Heat the mixture over medium heat until warm but not boiling. Remove from heat and set aside.
Layer one-third of the potato slices in an even layer at the bottom of the prepared baking dish. Pour one-third of the warm cream mixture evenly over the potatoes, then sprinkle one-third of the Gruyère cheese and Parmesan cheese on top.
Repeat this layering process two more times, finishing with a top layer of cheese.
Cover the baking dish with aluminum foil and bake in the preheated oven for 40 minutes. Then, remove the foil and bake for an additional 20 minutes, or until the top is golden brown and bubbly.
Allow the gratin to cool for 10 minutes before serving. Garnish with additional fresh thyme, if desired, and serve warm.
Nutrition Facts
Calories |
532 | ||
|---|---|---|---|
% Daily Value* |
|||
| Total Fat | 35.9 g | 46% | |
| Saturated Fat | 21.4 g | 107% | |
| Polyunsaturated Fat | 0.6 g | ||
| Cholesterol | 111 mg | 37% | |
| Sodium | 725 mg | 32% | |
| Total Carbohydrate | 32.5 g | 12% | |
| Dietary Fiber | 4.7 g | 17% | |
| Total Sugars | 7.5 g | ||
| Protein | 15.6 g | 31% | |
| Vitamin D | 0.5 mcg | 2% | |
| Calcium | 481 mg | 37% | |
| Iron | 0.8 mg | 5% | |
| Potassium | 574 mg | 12% | |
*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.
