Perfct Pie Crust

This recipe is a mixture of Mom's recipe and one from The Pampered Chef:

Sorry no picture yet. I burnt my pie this Christmas. But it really does make a great crust that tastes fabulous and rolls really well. If you use this before I do, take a picture to post, please.

2 cups flour
1/2 tsp salt
1 Tbsp sugar
3/4 cup vegetable shortening
1 large egg, lightly beaten
1 tsp vinegar
3-4 Tbsp cold milk

Combine flour, slat, and sugar in a medium mixing bowl. Evenly cut shortening into flour mixture with a pastry blender. Combine egg and vinegar in small bowl and add to flour mixture. Add milk a little at a time until dough is moist enough to form a ball. Makes 2 pie crusts, or 1 double crust pie shell.