Never Fail Pie Crust
["3 c. plain flour", "1 tsp. salt", "1 tsp. baking powder", "1 1/3 c. shortening", "1 egg", "5 Tbsp. ice water", "1 Tbsp. vinegar"]
["Blend dry ingredients with shortening; add egg and liquids. Form into a roll.", "Wrap in wax paper.", "Store in refrigerator.", "Take off as much as you need.", "Warm to room temperature.", "Roll on heavily floured board.", "Bake as usual for pie crust.", "This is enough for 3 pie crusts."]
["flour", "salt", "baking powder", "shortening", "egg", "water", "vinegar"]