In a large bowl or bowl of a food processor whisk together the flour and salt, then add the olive oil, stir with a fork or pulse to combine to form coarse crumbs.
Slowly add the cold water and continue stirring or pulsing until dough comes together.
Move the dough to a lightly floured flat surface and knead until smooth. Wrap the dough in plastic and refrigerate one hour before using.
If you find the dough too sticky then add more flour a tablespoon at a time until dough is smooth.If you find the dough too crumbly then add cold water a tablespoon at a time until dough comes together and is smooth and compact.