Ingredients

  • 2 1/4 cups heavy cream
  • 4 large egg yolks
  • 2 large eggs
  • 1 teaspoon pure vanilla extract
  • 1/2 cup sugar
  • 2 tablespoons all-purpose flour
  • 1/2 vanilla bean, chopped
  • Pinch of kosher salt
  • 1 1/4 cups light rye flour, preferably Bob's Red Mill
  • 1 1/4 cups all-purpose flour
  • 2 tablespoons sugar
  • 1 teaspoon kosher salt
  • 1 stick plus 2 tablespoons cold unsalted butter, cubed
  • 6 tablespoons ice water
  • 3 tablespoons unsalted butter
  • 1/3 cup sugar
  • 1 Granny Smith applepeeled, cored, quartered and sliced 1/8 inch thick
  • 1/2 vanilla beansplit lengthwise and seeds scraped, pod reserved for another use
  • 2 tablespoons Champagne vinegar

Method

  • Make the custard In a blender, puree all of the ingredients until smooth.
  • Transfer to a bowl, cover and refrigerate for 3 hours.
  • Meanwhile, make the pastry In a food processor, pulse the light rye flour with the all-purpose flour, sugar and salt to blend.
  • Add the butter and pulse until it is the size of small peas.
  • Drizzle in the ice water and pulse until the pastry just starts to come together.
  • Turn the pastry out onto a work surface and gather into a ball.
  • Flatten to a 1-inch-thick disk, wrap in plastic and refrigerate for 1 hour.
  • Meanwhile, make the pastry On a lightly floured work surface, using a lightly floured rolling pin, roll out the pastry 1/8 inch thick.
  • Place a 9-inch, deep-dish glass pie plate upside down on the pastry as a template and cut out a round that is 1 1/2 inches wider than the dish.
  • Transfer to the pie plate; fold the edge under itself and crimp decoratively.
  • Refrigerate for 30 minutes.
  • Meanwhile, make the pastry Preheat the oven to 350.
  • Line the pastry with parchment paper and fill the pie dish with pie weights.
  • Bake for about 1 hour and 15 minutes, until the shell is golden brown all over and cooked through.
  • Cover the pie rim with foil if it gets too dark.
  • Transfer the pie to a rack and let cool completely, about 1 hour.
  • Meanwhile, make the caramelized apples In a large skillet, cook the butter with the sugar over moderate heat until bubbling and caramelized, about 3 minutes.
  • Add the apple and vanilla seeds and cook, stirring occasionally, until the apples are very tender and caramelized, about 5 minutes.
  • Carefully add the vinegar and simmer until the caramel is slightly thickened, about 3 minutes.
  • Meanwhile, make the caramelized apples Preheat the oven to 325.
  • Scatter half of the apples in the shell.
  • Strain the custard into a bowl and pour it into the shell.
  • Cover the crust with foil to prevent it from burning.
  • Meanwhile, make the caramelized apples Bake the tart for about 1 hour and 15 minutes, until the custard is golden and just set.
  • Spoon the remaining caramelized apples on top.
  • Transfer the tart to a rack and let cool to room temperature.
  • The tart can be served at room temperature but is best chilled.