Ingredients

  • 2 sticks unsalted butter, softened
  • 1/2 cup confectioners' sugar
  • 2 cups all-purpose flour
  • 1/4 teaspoon fine sea salt
  • 3 sticks unsalted butter
  • 3/4 cup dark brown sugar
  • 1/4 cup light corn syrup
  • 8 ounces bittersweet chocolate, finely chopped
  • 2 tablespoons heavy cream
  • 4 large eggs, beaten
  • 3 cups pecan halves, chopped (10 ounces)
  • Flaky sea salt

Method

  • Make the shortbread Preheat the oven to 350 and line a 12-by-17-inch baking pan with foil, allowing it to extend 1/2 inch over the edge on all sides.
  • Spray the foil with vegetable oil spray.
  • Make the shortbread In a standing electric mixer or food processor, beat the butter with the confectioners' sugar, flour and salt until a soft dough forms.
  • Transfer the dough to the prepared pan and, using a flat-bottomed glass, press the dough into an even layer.
  • Freeze the dough for about 10 minutes, until firm.
  • Make the shortbread Bake the shortbread in the center of the oven for 20 minutes, until lightly golden.
  • Meanwhile, make the topping In a saucepan, combine the butter, brown sugar, corn syrup, chocolate and cream and cook over low heat just until melted and smooth.
  • Remove from the heat and let cool slightly.
  • Whisk in the eggs, then fold in the pecans.
  • Meanwhile, make the topping Spread the topping over the shortbread crust and sprinkle lightly with sea salt.
  • Bake the shortbread bar for about 25 minutes, until the topping is set.
  • Let cool to room temperature, then refrigerate until firm.
  • Using the foil, carefully lift the bar out of the pan; discard the foil.
  • Cut the shortbread into 32 triangles and serve.