Combine the rest of the flour, salt, and water in a large bowl and mix until the dough forms a smooth ball. The dough should be slightly sticky and not dry.
Roll into a ball and cover with cling wrap and place in the refrigerator for 30 minutes.
In a food processor add the ⅓ cup flour and butter and blend until smooth. Using cling wrap spread to a 8 x 8 inch square and refrigerate for 30 min.
Roll out the dough to a rectangle large enough to cover the butter when placed in the middle on all sides.
Roll out to a length of 18 inches and fold the dough into thirds. Rotate the pastry 90 degrees and roll out to 18 inches. Fold into thirds, wrap in plastic and refrigerate for a hour.
Repeat the folding and turn twice more. Allowing the dough to rest in the refrigerator after each set of folds and turns for 1 hour. At the end there should have been 3 sets of 2 folds and turns.
The dough is now ready for any recipe or can be baked for 30 min at 350°F