Peach Custard Tarts

Name: Peach Custard Tarts
Ingredients: 1 1/4 cup all-purpose flour; 2/3 cup blanched almonds; 1/4 cup sugar; 1/2 teaspoon fine salt; 10 tablespoons cold unsalted butter, cut into small pieces, plus more for the pans; 3 tablespoons ice water; 2 1/4 cups sugar; 1/4 cup cornstarch; 2 1/4 cups peach nectar; 9 large egg yolks; 2 tablespoons lemon juice; 1 1/2 sticks (12 tablespoons) unsalted butter, at room temperature; Nonstick cooking spray; 1 1/2 cups sugar; 1/4 cup water; 3 large egg whites; 1 teaspoon cream of tartar; Pinch fine salt; 6 to 12 basil leaves, for garnish