Buttermilk Pie Crust Dough

Combine flour, sugar and salt in large bowl. Add butter and
shortening. Cut in using hands or pastry blender until mixture
resembles coarse meal. Add buttermilk and stir with fork until moist
clumps form. (Dough can also be prepared in processor. Using on/off
turns, cut butter and shortening into dry ingredients until coarse
meal forms, Add buttermilk and process just until moist clumps form.)
Press together to form dough., Divide dough in half. Gather dough
into balls; flatten into disks. Wrap separately and chill 1 hour.
(Can be prepared ahead. Refrigerate 1 week or freeze 1 month, Let
dough stand at room temperature to soften slightly before using.)