Preheat oven to 350°.
Line a 13×9-inch baking pan with heavy-duty aluminum foil. Spray foil with nonstick baking spray with flour.
In a medium bowl combine graham cracker crumbs, melted butter, sugar, and egg white, stirring until well combined. Press crumb mixture into the bottom of prepared pan. Bake for 10 minutes; let cool completely.
In a large bowl, combine brown sugar and corn syrups. Add melted butter, eggs, vanilla, and salt, whisking until well combined. Stir in pecans and chocolate morsels; spoon mixture over prepared crust. Bake for 35 to 40 minutes or until middle is set.