Basic Lemon Pie Crust
["1 1/2 c. flour, not sifted", "2 Tbsp. sugar", "grated rind of one lemon", "5 Tbsp. butter, chilled", "3 Tbsp. vegetable shortening, chilled", "2 to 3 Tbsp. lemon vinegar"]
["Mix flour, sugar and lemon rind.", "Cut in butter and shortening.", "Add enough vinegar to hold pastry together.", "Chill until ready to use."]
["flour", "sugar", "lemon", "butter", "vegetable shortening", "lemon vinegar"]