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Sweet Potato Gratin

You'll know when the potatoes are perfectly cooked when a table knife slides easily through the center.

Southern Living NOVEMBER 2013

  • Yield: Makes 8 servings
  • Hands-on:30 Minutes
  • Total:1 Hour, 35 Minutes

Ingredients

  • 2 large sweet potatoes (about 2 lb.)
  • 2 large russet potatoes (about 1 3/4 lb.)
  • 1 1/2 cups heavy cream, divided
  • 1 1/2 teaspoons table salt
  • 1 1/2 cups (6 oz.) shredded Gruyère cheese, divided

Preparation

Preheat oven to 400°. Cut sweet potatoes and russet potatoes into 1/8-inch-thick slices, using a mandoline or sharp knife. Toss together potatoes, 3/4 cup heavy cream, and salt in a large bowl. Transfer to a lightly greased 2-qt. gratin dish, and spread potatoes into layers. Top with 1 cup Gruyère cheese. Pour 3/4 cup more heavy cream over potatoes, and sprinkle with remaining 1/2 cup Gruyère. Cover loosely with aluminum foil. Bake at 400° for 40 minutes. Uncover and bake 20 to 25 minutes or until potatoes are tender and cheese is golden brown. Transfer to a wire rack; cool 5 minutes.

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Sweet Potato Gratin recipe

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