Leek and Swiss Chard Tart
Martha Stewart Living, November 2009
- Yield Makes one 9-inch tart; serves 10
- 1 medium disk Pate Brisee (http://www.marthastewart.com/284099/pate-brisee)
- 2 tablespoons extra-virgin olive oil
- 4 leeks, white and pale-green parts only, thinly sliced and rinsed well (4 to 5 cups)
- 1/4 cup dry white wine
- 1 bunch Swiss chard, stems and ribs discarded, leaves shredded (4 cups)
- 1 tablespoon unsalted butter
- 2 tablespoons all-purpose flour, plus more for surface
- 1/3 cup whole milk, warmed
- 2 tablespoons Dijon mustard
- 1 large egg, lightly beaten
- Coarse salt and freshly ground pepper
- 1 cup grated Gruyere cheese
- Turn out pate brisee onto a lightly floured surface. Roll dough into a 13-inch round, about 1/8 inch thick. Press dough into bottom and up sides of a 10-inch springform pan with a removable bottom. Using a paring knife, trim dough to form 1 1/2- to 2-inch-high sides. Transfer to refrigerator, and chill for 30 minutes.
- Preheat oven to 375 degrees. Line dough with parchment paper, leaving a 1-inch overhang. Fill with pie weights or dried beans. Bake until edge just begins to turn golden brown, about 25 minutes. Remove parchment and pie weights. Bake until pale gold, about 15 minutes. Transfer pan to a wire rack, and let cool completely.
- Meanwhile, heat oil in a large saute pan over medium heat. Add leeks, and cook, stirring often, until softened, about 10 minutes. Add wine and Swiss chard leaves, and cook until liquid has evaporated and chard has wilted, about 5 minutes.
- Melt butter in a medium saucepan. Whisk in flour until incorporated. Slowly whisk in milk, and bring to a boil. Cook until thickened, about 3 minutes.
- Combine leek mixture, milk mixture, mustard, and egg. Season with salt and pepper, and stir.
- Spread leek mixture into tart shell, and sprinkle with Gruyere. Bake until top is golden brown, about 35 minutes. Let cool slightly, and serve warm.
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