Flaky Tart Dough (Martha Stewart)

Makes enough for two 9 in or one 10 inch tart shells

Ingredients

1 tsp salt
2/3 cup ice water
3 cups plus 2 tblsp all purpose flour, plus more for work surface
1 cup plus 5 tblsp very cold unsalted butter

Method

1.  In a small bowl, mix together salt and water. Keep very cold until ready to use.
2.  Place flour and butter in the bowl of a food processor. Pulse briefly until mixture forms large crumbs.
     Add the salt water mixture and continue pulsing until a dough has just formed but is not smooth.
3.  On a lightly floured work surface, evenly divide dough. Form each piece of dough into a disk about
      1 in thick. Wrap each disk with plastic wrap and chill at least 2 hours and up to overnight.