Preheat Oven to 350 degrees.
In a large bowl, toss peaches, lemon juice, & and Vanilla together.
In another large bowl, whisk together flour, sugar, sale, and cinnamon. Add melted butter and stir utnil dough forms.
Press mixture into a 10 or 11 inch tart pan with a removal bottom, pressing until dough is smooth.
Arrange peaches over crust, sprinkle with granulated sugar and dot top with butter.
Bake until crust is golden and peaches are tender (about 1 hr).
Brush with melted apricot preserves and let cool slightly before slicing & serving.