Marina'S Pie Crust
["3 c. flour", "1 1/4 c. shortening", "1/4 tsp. salt", "1 egg, beaten with 1 Tbsp. vinegar and 5 Tbsp. cold water"]
["Cut with pastry blender the flour, shortening and salt.", "Add egg mixture.", "Mix with fork.", "Roll lightly; make enough for 2 full (double crust) pies and 1 one crust pie."]
["flour", "shortening", "salt", "egg"]