Belgian Leek Tart with Goat Cheese

ingredients
Crust:
* 4 tablespoons (or more) ice water
* 3/4 teaspoon apple cider vinegar
* 1 1/2 cups unbleached all purpose flour
* 3/4 teaspoon salt
* 1/2 cup (1 stick) plus 1 tablespoon chilled unsalted butter










