Pumpkin Cheesecake Bars

Name: Pumpkin Cheesecake Bars
Ingredients: For the sweet pastry dough; 1 1⁄2 cups all-purpose flour; 1⁄4 cup sugar; 1⁄4 teaspoon salt; 4 ounces (1 stick) cold unsalted butter, cut into 1⁄2-inch cubes; 1 large egg; For the pumpkin cheesecake filling; 16 ounces cream cheese, softened; 1⁄2 cup sugar; 3⁄4 cup pumpkin puree (see page 100); 2 tablespoons maple syrup; 1⁄2 teaspoon vanilla bean paste; 1⁄2 teaspoon salt; 1 teaspoon cinnamon; 1⁄2 teaspoon freshly grated nutmeg; 1⁄2 teaspoon ground ginger; 1⁄2 teaspoon ground allspice; 2 large eggs; Cream cheese frosting; 4 ounces (1 stick) unsalted butter, softened; 8 ounces cream cheese, softened; 3 cups confectioners’ sugar, sifted; 1 tablespoon pure vanilla extract; 1⁄2 cup pecans, toasted (page 19), coarsely chopped (optional)