In a large bowl, combine the flour, sugar, and salt; cut in butter until crumbly. Gradually add the water and vanilla, toss it with a fork until the dough forms a ball. Cover and refrigerate for 30 minutes or until easy to handle.
Preheat the oven to 400 degrees. On a lightly floured surface, roll the dough into a 10-inch circle. Transfer to a parchment paper-lined baking sheet. Combine the filling ingredients; spoon over pastry to within 2 inches of edges.
Fold up the edges of pastry over filling, leaving center uncovered. Combine sugar and cinnamon; sprinkle over filling.
Bake 25-30 minutes or until crust is golden and filing is bubbly. Using parchment paper, slide tart onto a wire rack. Drizzle with caramel topping. Serve wam.