Spiced Sweet Potato Gratin

A luxurious layered dish of tender sweet potatoes seasoned with warming Indian-inspired spices, creamy sour cream, and sharp white cheddar cheese. This elegant gratin makes a perfect side dish for special occasions.

8 servings
1 hr 25 min

Ingredients

  • 4 pounds red-skinned sweet potatoes
  • 1 tablespoon curry powder
  • 1 tablespoon ground cumin
  • ¾ teaspoon ground cinnamon
  • ¾ teaspoon ground ginger
  • ½ teaspoon salt
  • cups sour cream
  • 3 cups shredded extra-sharp white cheddar

Cooking Instructions

  1. 1.

    Preheat oven to 350°F. Cook sweet potatoes in large pot of boiling salted water until just tender, about 20 minutes (do not overcook). Drain well and cool. Peel sweet potatoes; cut into 1/4-inch-thick slices.

    30 min

  2. 2.

    Mix curry powder, cumin, cinnamon, ginger, and salt in small bowl to blend. Completely line bottom of 9-inch-diameter springform pan with sweet potato slices, filling in any spaces with cut-up sweet potato slices. Press down lightly. Spread 1/2 cup sour cream over sweet potatoes. Sprinkle 1 tablespoon spice mixture over sour cream. Sprinkle with 1 cup cheese. Repeat twice with remaining sweet potatoes, sour cream, spice mixture, and cheese. Place pan on rimmed baking sheet; bake until cheese is melted and sweet potatoes are heated through, about 40 minutes. DO AHEAD Can be made 8 hours ahead. Cover and chill. If desired, reheat in 400°F oven until hot, about 15 minutes.

    50 min

  3. 3.

    Remove pan sides from gratin; cut into wedges. Serve gratin warm or at room temperature.

    5 min