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Leek and Swiss Chard Tart

Author Bon Appetit, October 1999

Ingredients

  • 1 sheet frozen puff pastry (half of 17.3-ounce package), thawed (or use a basic tart dough)
  • 2 tablespoons (1/4 stick) butter
  • 3 large leeks (white and pale green parts only), coarsely chopped
  • 1 teaspoon dried thyme
  • 1/2 bunch Swiss chard , ribs removed, leaves chopped (about 2 1/2 cups)
  • 1 1/4 cups whipping cream (I used whole milk)
  • 3 large eggs
  • 2 large egg yolks
  • 1 teaspoon salt
  • 1/4 teaspoon ground black pepper
  • Pinch of ground nutmeg

Instructions

  1. Roll out pastry on floured work surface to 12-inch square. Transfer to 9-inch-diameter glass pie dish. Trim overhang to 1 inch. Fold under; crimp edges. Cover; chill.
  2. Melt butter in large nonstick skillet over medium-low heat. Add leeks and thyme. Sprinkle with salt and pepper. Cover; cook until leeks are very tender but not brown, stirring often, about 10 minutes. Add chard; saute until wilted, about 2 minutes. Remove from heat; cool.
  3. Position rack in bottom third of oven; preheat to 425°F. Whisk cream and next 5 ingredients in large bowl. Mix in cooled leek mixture. Pour filling into crust.
  4. Bake tart 15 minutes. Reduce heat to 350°F and bake until filling is puffed and just set in center, about 15 minutes longer (this took my oven about 10 minutes longer). Transfer to rack; cool 10 minutes.