Cookstr.com

Potato Gratin

Updated February 23, 2016
This image courtesy of Joseph DeLeo

To make roasted garlic purée, take a head of garlic and slice off the top, then wrap the entire head in aluminum foil. Place the packet in a 350°F oven and roast for 30 minutes, or until the garlic cloves are soft. Gently squeeze out enough purée, as required. The roasted garlic keeps well refrigerated.

Cooking Methodbaking

CostModerate

Moderate

Total Timeunder 2 hours

Kid FriendlyYes

One Pot MealYes

OccasionBuffet, Casual Dinner Party, Formal Dinner Party

Recipe Courseside dish

Dietary Considerationegg-free, gluten-free, peanut free, soy free, vegetarian

Equipmentbaking/gratin dish

Five Ingredients or LessYes

Mealdinner, lunch

Moodblue

Taste and Texturecreamy, garlicky

Type of Dishgratin

Ingredients

  • 1 cup milk
  • 1 cup heavy cream
  • 2 cups finely sliced leeks, white part only
  • 1 tablespoon roasted garlic purée (see note)
  • 1 tablespoon chopped rosemary leaves
  • Pinch freshly ground nutmeg
  • Coarse salt and freshly ground white pepper to taste
  • 5 tablespoons unsalted butter, at room temperature
  • 4 large Yukon Gold potatoes, peeled and cut, crosswise, into 1/8-inch-thick slices

Instructions

Preheat the oven to 400°F.

Combine the milk and cream with the leeks, garlic purée, rosemary, and nutmeg in a large heavy saucepan over medium heat. Add salt and white pepper and bring to a simmer. Whisk in 3 tablespoons of the butter, remove from the pan from the heat, and keep warm.

Using the remaining butter, generously coat the interior of an 11-by-7-by-2- inch baking pan. Set aside.

Season the potatoes with salt and pepper. Using about half of the potatoes, cover the bottom of the prepared pan with a layer of slightly overlapping potato slices. Pour half of the milk mixture over the potatoes. Make another layer with the remaining potatoes and cover it with the remaining milk mixture.

Bake for about 1 hour, or until the tip of a small, sharp knife is easily inserted into the center.

Remove from the heat and use as a side dish with meat, game, or poultry.

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