Recipe courtesy of Union Square Cafe

Roast Tomato Mashed Potatoes

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Ingredients

1/2 pound oven-dried tomatoes, drained, recipe follows

4 cups mashed potatoes (recipe above)

Mashed Potatoes:

2 pounds Idaho potatoes, peeled and quartered

2 teaspoons kosher salt

8 tablespoons (1 stick) unsalted butter

1/2 cup heavy cream

1/2 cup milk

1/4 teaspoon freshly ground white pepper

Oven-Dried Tomatoes:

2 pounds ripe plum tomatoes, washed, cored and split lengthwise

1 teaspoon kosher salt

2 cups extra-virgin olive oil

2 large fresh thyme sprigs

1 fresh rosemary sprig, cut in half

2 to 3 sage leaves

3 medium garlic cloves, split

Directions

  1. In a food processor puree the oven-dried tomatoes to a nearly smooth consistency. Add the tomato puree to the warm mashed potatoes and over low heat, stir with a wooden spoon until the tomatoes are completely incorporated and the mixture is piping hot. Serve.

Mashed Potatoes:

  1. Place the potatoes in a 2-quart saucepan with 1 teaspoon of the salt and cold water to cover. Bring to a boil, lower the heat and simmer, covered, until completely tender, about 30 minutes. Test the potatoes by piercing them with a paring knife -- there should be no resistance. Place in a colander and allow to drain well for several minutes. Combine the butter, heavy cream and milk in another saucepan and heat gently until the butter has melted. Keep warm. Working with the saucepan used to cook the potatoes, pass the potatoes through a food mill or a potato ricer. If you have any difficulty, add a little of the hot milk and butter to the potatoes. To serve, place the potatoes over a low fame and begin adding the warm milk mixture. Whip the potatoes with a wooden spoon or spatula while heating. When all the liquid is absorbed, season with the remaining salt and white pepper. Serve piping hot. Mashed potatoes are best served immediately, but if you are unable to do so, or need them for another recipe, keep the potatoes hot for up to 1 hour by placing them in the top of a double boiler, covered, and held over barely simmering water.

Oven-Dried Tomatoes:

  1. Place the tomatoes cut side up on a baking sheet. Sprinkle with the salt and let sit for 1 hour. Preheat oven to 200 degrees. Roast the tomatoes for 5 to 6 hours. The tomatoes are done when they are dried but still slightly plump, they should definitely not be leathery, nor as dry as commercial sun-dried tomatoes. Allow the tomatoes to cool to room temperature, then transfer them to a jar or bowl. Stir in the olive oil, herbs, and garlic, cover tightly and refrigerate. The tomatoes will improve if marinated 2 to 3 days before using. They will keep for up to 2 weeks stored in the refrigerator.
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