In a large mixing bowl, stir together flour and salt. Add butter and shortening. Using a pastry cutter or a fork, cut shortening and butter into flour until coarse crumbs form. (It should like kind of like sand.)
Pour the water and vodka evenly around the bowl (don't just dump the liquid into the middle). Mix dough together until all ingredients are incorporated evenly.
Divided the dough in half. Flatten each half into a circle, and wrap in plastic wrap. Refrigerate dough for at least 1 hours (up to 2 days).
Remove pie dough from fridge and roll to desired thickness. Bake according to your pie recipe.
Notes
If you are blind baking the dough for a cold pie, bake at 425 degrees F for 20 to 25 minutes or until edges are golden and center is cooked through.If you're concerned about adding vodka to your pie crust, please know that the alcohol evaporates during the baking process and there is actually no alcohol in this pie crust when it's finished.