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Sweet Potato Gratin

Sweet Potato Gratin

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Sweet Potato Gratin is a delightful and sophisticated side dish that will elevate any meal. Featuring layers of tender, thinly sliced sweet potatoes enveloped in a luscious, creamy garlic-nutmeg sauce, this gratin is topped with melty Gruyere cheese and accented by fresh sage. It’s the perfect combination of comfort and elegance, making it an ideal accompaniment for holiday feasts or family dinners. As the gratin bakes, the flavors meld beautifully, resulting in a comforting dish that everyone will love. Serve it alongside roasted meats or as part of a vegetarian spread for an unforgettable experience.

  • Total Time: 0 hours
  • Yield: Serves 8

Ingredients

Scale
  • 3 large sweet potatoes, peeled and thinly sliced
  • 2 cups heavy cream
  • 2 cloves garlic, minced
  • 1/2 teaspoon ground nutmeg
  • 1 teaspoon salt
  • 1/2 teaspoon black pepper
  • 1 1/2 cups grated Gruyere cheese
  • 1 tablespoon fresh sage, chopped
  • 1 fresh sage sprig
  • 1 tablespoon unsalted butter

Instructions

  1. Preheat the oven to 375°F. Grease a 9×13-inch baking dish with butter.
  2. In a bowl, whisk together heavy cream, minced garlic, nutmeg, salt, and pepper.
  3. Layer one-third of the sweet potatoes in the baking dish, sprinkle with 1/2 cup Gruyere and half the sage, then pour in one-third of the cream mixture.
  4. Repeat layering two more times.
  5. Cover with foil and bake for 40 minutes.
  6. Remove foil, top with remaining cheese, and bake for another 20-25 minutes until golden and bubbly.
  7. Let rest for 10 minutes before serving.
  • Author: Tisha
  • Prep Time: 20 minutes
  • Cook Time: 60-65 minutes
  • Category: Side Dish
  • Method: Baking
  • Cuisine: French

Nutrition

  • Serving Size: Approximately 3/4 cup (120g)
  • Calories: 290
  • Sugar: 5g
  • Sodium: 400mg
  • Fat: 20g
  • Saturated Fat: 12g
  • Unsaturated Fat: 7g
  • Trans Fat: 0g
  • Carbohydrates: 23g
  • Fiber: 3g
  • Protein: 6g
  • Cholesterol: 60mg