Sweet Potato Pommes Anna (Layered Potato Casserole)

Sweet Potato Pommes Anna (Layered Potato Casserole)

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From: EatingWell Magazine, November/December 2018

This multicolored galette is a fun twist on the classic dish made with white potatoes. Don't worry if you only have one type of sweet potato, the result will still be beautiful. The bottom bakes to a potato-chip crisp with a caramelly sweetness, while the interior becomes melt-in-your-mouth rich.

Ingredients 8 servings

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  • 3 tablespoons unsalted butter, melted
  • 2 tablespoons extra-virgin olive oil
  • 12 ounces purple sweet potatoes, peeled
  • 12 ounces orange sweet potatoes, peeled
  • 12 ounces white sweet potatoes, peeled
  • 1 teaspoon chopped fresh thyme
  • 1 teaspoon salt
  • 1 teaspoon ground pepper


  • Prep

  • Ready In

  1. Preheat oven to 400°F.
  2. Combine butter and oil in a small dish. Liberally brush the bottom and sides of an 8-inch cast-iron skillet with some of the mixture.
  3. Using a mandoline, thinly slice sweet potatoes about 1/16 inch thick. Arrange one-fourth of the potatoes in concentric circles in the pan, overlapping the slices and alternating colors. Brush with some of the butter mixture and sprinkle with ¼ teaspoon each thyme, salt and pepper. Repeat to make three more layers.
  4. Heat the pan over high heat until the sweet potatoes start sizzling, about 3 minutes. Cover the pan with foil and transfer to the oven. Bake for 30 minutes.
  5. Uncover and continue baking until the sweet potatoes in the center are easily pierced with a skewer and the bottom is golden brown and slightly crispy, 20 to 25 minutes more.
  6. Let cool for 10 minutes. Run a small sharp knife around the edge of the pan to loosen the potatoes, then invert the galette onto a serving plate. Cut into 8 wedges.
  • Equipment: 8-inch cast-iron skillet, mandoline

Nutrition information

  • Serving size: 1 wedge
  • Per serving: 140 calories; 8 g fat(3 g sat); 3 g fiber; 16 g carbohydrates; 2 g protein; 5 mcg folate; 11 mg cholesterol; 5 g sugars; 0 g added sugars; 15,056 IU vitamin A; 15 mg vitamin C; 33 mg calcium; 1 mg iron; 319 mg sodium; 374 mg potassium
  • Nutrition Bonus: Vitamin A (301% daily value), Vitamin C (25% dv)
  • Carbohydrate Servings: 1
  • Exchanges: 1½ fat, 1 starch

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