Mashed Potato Casserole with Gruyère

This dish makes a great Thanksgiving side. Try substituting sweet potatoes for the russets for another variation.

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  • Servings: 4


  • 2 pounds russet potatoes, peeled and cut into 1-inch pieces
  • 2 tablespoons butter
  • 1 cup milk
  • Sea salt
  • Pepper
  • 1 cup coarsely grated Gruyère
  • Chives, for garnish

How to make this recipe

  1. Preheat the oven to 400°.

  2. Place the potatoes in a large pot of salted water and bring to a boil. Cook, uncovered, until the potatoes are fork tender, about 15 minutes. Drain and return to the pot.

  3. Add the butter and mash the potatoes until smooth. Stir in the milk and season with salt and pepper to taste.

  4. Transfer the potatoes to a 3-quart ceramic baking dish and sprinkle the cheese over the top. Bake for 15 minutes, until the cheese is melted and beginning to brown. Garnish with the scallions and serve warm.

Contributed By Photo © Phoebe Lapine Published April 2012

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