Peach and Almond Tart

Name: Peach and Almond Tart
Ingredients: For the Crust; • 1/2 cup powdered sugar; • 1/4 cup blanched slivered almonds; • 1/4 teaspoon salt; • 9 tablespoons (1 stick plus 1 tablespoon) unsalted butter, room temperature; • 1 large egg yolk; • 1 1/4 cups all purpose flour; For the Almond Filling; • 2/3 cup blanched slivered almonds; • 1 tablespoon all purpose flour; • 7 tablespoons sugar; • 6 tablespoons (3/4 stick) unsalted butter, room temperature; • 1 large egg; • 1/2 teaspoon almond extract; • 1 teaspoon pure vanilla extract; • 4 large firm, ripe peaches, peeled, halved and pitted; • Powdered sugar (optional)