Apple Pie Bars


INGREDIENTS:

For the Crust

  • 3 sticks unsalted butter, softened
  • 3/4 cup sugar
  • 3 cups all-purpose flour
  • 1/2 teaspoon kosher salt
For the Filling
  • 6 tablespoons unsalted butter
  • 1/2 cup light brown sugar
  • 12 Granny Smith apples (about 6 pounds)—peeled, cored and thinly sliced
  • 1 tablespoon cinnamon
  • 1/4 teaspoon freshly grated nutmeg
  • 1/2 cup water, if necessary
For the Topping
  • 3 cups quick-cooking oats
  • 2 cups all-purpose flour
  • 1 1/2 cups light brown sugar
  • 1 1/4 teaspoons cinnamon
  • 1/2 teaspoon baking soda
  • 1/2 teaspoon kosher salt
  • 3 sticks (12 ounces) unsalted butter, cut into 1/2-inch cubes and chilled
  • 3/4 cup chopped pecans