Bake tart until apples are tender and pastry is brown, about 30 minutes. Transfer tart to rack.
03Meanwhile, mix remaining 1/4 teaspoon ground cinnamon, remaining 6 tablespoons apricot preserves, 2 tablespoons fresh lemon juice and 1 1/2 tablespoons unsalted butter in small sauce-pan. Stir apricot sauce over medium heat until melted and hot.
04Lightly dab some of apricot sauce over apples. Sprinkle with dried currants. Cut warm tart into 4 squares. Top each square with scoop of vanilla ice cream. Drizzle remaining apricot sauce over ice cream and serve.