Apple Almond Tart Recipe

Name: Apple Almond Tart Recipe
Ingredients: 1/2 cup all-purpose flour; 1/2 cup whole wheat pastry flour; 1/2 teaspoon salt; 1/2 teaspoon sugar; 1/2 cup (1 stick) unsalted butter, chilled and cut into small cubes; 1/4 cup ice water, plus more if needed; 1/2 cup (1 stick) unsalted butter, at room temperature; 1/2 cup granulated sugar; 1 large egg; 1 egg yolk; 1 teaspoon vanilla extract; 1 cup whole almonds, toasted, cooled and finely ground; 2 teaspoons all-purpose flour; 1/4 teaspoon salt; 2 medium apples, cored and thinly sliced (about 1/4 inch); 1 tablespoon Demerara Sugar