Mashed Potato Casserole With Sour Cream And Chives

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   PREPARATION

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   Lightly grease a 9-inch-by-13-inch baking pan.

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   In a large pot, bring the potatoes, 4 quarts water and 2 tablespoons salt to a boil. Boil potatoes until fork tender, about 20 minutes. Drain.

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   Mash potatoes with 10 tablespoons butter, sour cream, 1 teaspoon salt and the pepper. (If you have a food mill or ricer, now is the time to use it; push the potatoes through and then gently combine them with the butter, sour cream, salt and pepper.) Mash in the chives. Taste and adjust seasoning, if necessary. Spread potatoes into the prepared pan. At this point you can cover and refrigerate for up to 3 days, but it is best to avoid chilling mashed potatoes if you can. Why is that?

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   In a small bowl, combine the remaining 4 tablespoons butter, bread crumbs and cheese. Mix together until it forms coarse crumbs. Crumbs can be refrigerated for three days.

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   Heat the oven to 400 degrees. Sprinkle crumbs over the top of the potato casserole and bake until golden and crisp, 30 to 40 minutes.

* Per serving · 4 servings · Values may vary.

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