Salted Chocolate Caramel Tart

Name: Salted Chocolate Caramel Tart
Ingredients: 1/2 cup whole almonds, skin on; 8 tablespoons unsalted butter (1 stick), softened; 1/2 cup granulated sugar; 1/2 teaspoon vanilla extract; 1 1/4 cups all-purpose flour; 1/2 teaspoon kosher salt; 4 tablespoons unsalted butter, cut in tablespoons and chilled; 1/2 cup heavy cream, measured and chilled; 1 1/2 cup granulated sugar; 1/4 cup water; 2 tablespoons light corn syrup; 1 teaspoon vanilla extract; 1/4 teaspoon salt; 6 ounces bittersweet chocolate, chopped; 8 ounces crème fraîche, at room temperature; 2 tablespoons unsalted butter, at room temperature; Flaky salt, for garnish; 10 tart pan with removable bottom