Preheat oven to 350°F. Line baking sheets with parchment paper.
Combine flour, baking soda, cinnamon, ginger and salt in a small bowl. Set aside.
Mix 1 cup sugar, shortening, and butter with a mixer on medium until fluffy. Mix in molasses. Add egg and beat until well combined.
Add dry ingredients a bit at a time until well mixed (and add orange zest if using).
Roll into 1" balls. Dip the tops in remaining sugar and place them on the prepared baking sheet.
Bake 9-11 minutes or until cookies are lightly browned.
