In the work bowl of a food processor, pulse together flour and salt until combined. Add cold butter, and pulse until crumbly. With processor running, gradually add ½ cup ice-cold water, until mixture forms a ball.
Form dough into a disk; wrap in plastic wrap. Refrigerate for at least 2 hours, or freeze for up to 1 month. If frozen, let dough thaw in refrigerator overnight before using
Recipe by Victoria at https://victoriamag.com/root-vegetable-chicken-pot-pie-recipe/