In medium bowl, stir together flour and salt. Cut in shortening, using pastry blender (or pulling 2 table knives through mixture in opposite directions), until mixture is crumbly. Sprinkle with ice water, 1 tablespoon at a time, tossing with fork until all flour is moistened and pastry leaves side of bowl. Form dough into 2 disks; wrap each in plastic wrap. Refrigerate 30 minutes.