In a food processor, place the flour, salt, and sugar and process until combined.
360 g all-purpose flour, 1 tsp salt, 30 g granulated sugar
Add the butter & shortening and process until the mixture resembles coarse crumbs.
170 g unsalted butter, 95 g shortening
Add the ice water, a little at a time, processing just until the pastry holds together.
120 ml ice cold water
Turn the dough onto your work surface and gather into a ball.
Divide the pastry in half
Flatten each half into a disk, and cover with plastic wrap.
Refrigerate for at least 30 minutes.