Sift the flour onto the workspace. Add the softened butter, cut into pieces. Combine the flour and butter with your fingertips until you achieve a sandy consistency.
Add the salt, the water and the egg yolk. Mix the ingredients until they are evenly combined. Bring the dough together into a ball. Wrap in plastic wrap.
Chill the dough for 2 hours until it becomes firm. The savory pie dough is ready to be used.
Recipe by Bakepedia at https://www.bakepedia.com/savory-pate-brisee-from-tarts/