Potato Gratin with Rosemary Crust

This makes a gorgeous dish for your Holiday table or any time. I've made it as written below, and without the sweet potatoes (just used more Yukon Gold potatoes) and it's just as wonderful. I highly recommend a good Mandoline (vegetable slicer) to make it easier and much faster to get consistantly thin/thick sliced potatoes (or other vegetables too).
Photo by Darrell H.
Adapted from keyingredient.com

PREP TIME

60

minutes

TOTAL TIME

120

minutes

SERVINGS

8

servings

PREP TIME

60

minutes

TOTAL TIME

120

minutes

SERVINGS

8

servings

Adapted from keyingredient.com

Ingredients

  • 1

    (14.1-oz.) package refrigerated piecrusts

  • 1

    tablespoon chopped fresh rosemary

  • 1/4

    teaspoon freshly ground pepper

  • 2

    cups (8 oz.) shredded Gruyère cheese, divided

  • 1 1/2

    pounds Yukon gold potatoes

  • 1 1/2

    pounds sweet potatoes

  • 1

    teaspoon kosher salt

  • 2/3

    cup heavy cream

  • 1

    garlic clove, minced

  • Garnish: fresh rosemary sprigs

Directions

1. Preheat oven to 450°. Unroll piecrusts on a lightly floured surface. Sprinkle rosemary, pepper, and 1/2 cup cheese over 1 piecrust; top with remaining piecrust. Roll into a 13-inch circle. Press on bottom and up sides of a 9-inch springform pan; fold edges under. Chill. 2. Meanwhile, peel and thinly slice Yukon gold and sweet potatoes. 3. Layer one-third each of Yukon gold potatoes, sweet potatoes, and salt in prepared crust. Sprinkle with 1/4 cup cheese. Repeat layers twice, pressing layers down slightly to fit. 4. Microwave cream and garlic in a 1-cup microwave-safe measuring cup at HIGH 45 seconds; pour over potato layers in pan. Sprinkle with remaining 3/4 cup cheese. Cover pan with heavy-duty aluminum foil. Place on a baking sheet. 5. Bake at 450° for 1 hour. Uncover and bake 25 minutes or until potatoes are done and crust is richly browned. Let stand 10 to 15 minutes. Carefully transfer to a serving plate, and remove sides of pan. If desired, carefully slide gratin off bottom of pan using a long knife or narrow spatula. Garnish, if desired.

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