Mushroom, Butternut Squash & Gruyère Tart
Mushroom, Butternut Squash & Gruyère Tart
Ingredients
One 1 1/2-pound butternut
squash—peeled, seeded and cut into 1/2-inch pieces
1/4 cup extra-virgin
olive oil
Kosher salt and freshly
ground pepper
2 tablespoons unsalted
butter
1 large shallot, thinly
sliced
1 pound assorted
mushrooms, trimmed and cut into 1-inch pieces
1 teaspoon sherry vinegar
1/4 teaspoon freshly
grated nutmeg
All-purpose flour, for
dusting
14 ounces chilled
all-butter puff pastry
2 large egg yolks
1/4 cup crème fraîche
1/4 pound Gruyère cheese,
shredded
2 teaspoons chopped thyme
Directions
Preheat the oven to 375°.
Spread the squash on a baking sheet and toss with 2 tablespoons of the oil.
Season with salt and pepper. Bake for 25 minutes, until just tender. Transfer
to a bowl. Increase the temperature to 400°.
Meanwhile, in a skillet,
melt the butter in the remaining 2 tablespoons of oil. Add the shallot and cook
over moderate heat, stirring, until softened. Add the mushrooms, cover and
cook, stirring, until tender, about 7 minutes. Season with salt and pepper and
remove from the heat. Toss with the vinegar and nutmeg and add to the squash.
Line a baking sheet with
parchment. On a floured work surface, roll the puff pastry out to 12 1/2 by 14
1/2 inches. Using a knife, trim the pastry to 12 by 14 inches. Transfer to the
baking sheet and prick the pastry with a fork all over except for a 1/2-inch
border. Bake the pastry for 20 minutes, until golden; pierce with a fork if it
puffs during baking. Let cool.
Stir the egg yolks, crème
fraîche, Gruyère, thyme, 1/2 teaspoon of salt and 1/4 teaspoon of pepper into
the mushrooms and squash. Spread the mixture on the pastry inside the border.
Bake for 15 minutes, until the cheese is melted. Cut into squares and serve.

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