Sorrel and Potato Gratin

Use a mandoline to make thin, even potato slices to layer in between the slightly sour the sorrel and shallots.

  • Servings: 10

Source: Martha Stewart Living, March 2007

Ingredients

  • 2 tablespoons unsalted butter, softened
  • 2 medium shallots, very thinly sliced (about 1/2 cup)
  • Coarse salt and freshly ground pepper
  • 4 ounces sorrel, tough stems removed, cut crosswise into 3/4-inch pieces (about 3 cups)
  • 1 1/2 pounds new potatoes, preferably German Butterball or Yukon gold, peeled and cut crosswise into 1/8-inch-thick rounds
  • 1 1/4 cups heavy cream

Directions

  1. Preheat oven to 350 degrees. Coat an 8-inch square baking dish with 1 tablespoon butter. Arrange shallots in an even layer over bottom of baking dish. Season with 1/2 teaspoon salt and 1/4 teaspoon pepper.

  2. Arrange half of the sorrel over shallots, then layer with half of the potatoes. Season with 1/4 teaspoon salt. Repeat with remaining sorrel and potatoes. Season with 1/4 teaspoon salt and 1/4 teaspoon pepper. Pour cream over top, and dot with remaining tablespoon butter.

  3. Cover with foil; bake 1 hour. Uncover; bake until potatoes are tender and cream is thick, about 20 minutes more. Let stand 15 minutes before serving.

Cook's Notes

German Butterball potatoes are an heirloom variety with smooth, golden skin and buttery, deep-yellow flesh. You can find them at farmers' markets or specialty stores.

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