Place flour, salt and butter in the bowl of a mixer and pulse until little pebbles form. Then start to gradually add ice water until you arrive at the consistency you need to form a small ball. Be careful to add ice water slowly so you don’t add too much. Do not overwork the dough. Shape dough into a ball and flatten slightly. Flour your work surface and rolling pin. Roll the pie dough out into a 12 inch circle. Fold