Preheat oven to 350 degrees.
Line baking sheets with parchment paper. Set aside.
In a medium bowl, whisk together flour, ginger, cinnamon, allspice, nutmeg, cloves, and baking soda. Set aside.
In the bowl of an electric mixer, beat butter and sugar together until light and fluffy, about 2-3 minutes.
Add egg and beat to incorporate.
Mix in molasses.
Stir in flour mixture.
Divide dough in half and form into rounds.
Working with one portion of dough at a time, place on work surface between 2 sheets of parchment paper (no flour).
Roll dough to 1/4" thick.
Refrigerate, still in parchment paper, for 15-20 minutes.
Repeat with second portion of dough.
Remove dough from refrigerator, one piece at a time, and place on work surface.
Cut into desired shapes.
Bake 15-18 minutes, until slightly browned.