Foolproof Pie Crust
["4 c. flour", "1 Tbsp. salt", "1 3/4 c. shortening", "1/2 c. water", "1 Tbsp. vinegar", "1 large egg or 2 egg whites", "1 Tbsp. sugar"]
["In a large bowl, stir with fork the flour, sugar and salt. Cut in shortening until crumbly.", "In small bowl, beat together water, egg and vinegar.", "Add to flour mixture until well moistened.", "Divide dough into 5 portions and shape each in a flat round patty, ready for rolling.", "Wrap in plastic or waxed paper and chill."]
["flour", "salt", "shortening", "water", "vinegar", "egg", "sugar"]