Slice butter and place back in refrigerator until ready to use.
Combine flour and salt in food processor bowl fitted with the dough blade.
Pulse 2 or 3 times to insure it is mixed.
Add butter, a couple of pats at a time, pulsing after each addition.
Pulse until mixture is crumbly.
Add water, one tablespoon at a time, pulsing after each, just until dough holds together.
Turn out onto a piece of plastic wrap.
Wrap tightly.
Flatten into a disc.
Refrigerate for 15 minutes.
Remove plastic and place on a piece of parchment paper sprinkled with flour.
Sprinkle top of dough with flour.
Roll out into a circle that is ⅛ inch thick.
Fit dough into pie plate.
Press gently along the bottom and sides to ensure there are no air bubbles.
Trim.