This is an easy crust to make ahead and the amounts match the package sizes so there is no need to measure anything! These freeze great. Making pies is easy as all you have to do is thaw the crust and roll.
Measure flour into a very large bowl. Mix in shortening by breaking into smaller and smaller pieces using your hands or a pastry blender until lumps are no larger than peas. Gradually stir in the lemon-lime soda so that the mixture is evenly moistened.
Form into baseball sized balls and pat flat. Store each flattened ball in a small resealable sandwich bag, then put those bags into a larger sized freezer bag. Freeze until needed.