Foolproof Pastry
["4 c. flour", "1 3/4 c. shortening", "1 Tbsp. sugar", "2 tsp. salt", "1 Tbsp. vinegar", "1 egg", "1/2 c. water"]
["Mix together flour, shortening, sugar and salt with a fork. In a separate dish, mix vinegar, egg and water.", "Combine the two mixtures, stirring with a fork, until all ingredients are moistened, then with hands.", "Mold dough into 4 balls.", "Chill or freeze before rolling."]
["flour", "shortening", "sugar", "salt", "vinegar", "egg", "water"]