Preheat oven to 350 F
Cream butter using a stand mixer and gradually add one cup sugar, beating at medium speed.
Add egg and molasses and continue to beat
In a separate bowl, combine flour, baking soda, cinnamon, ginger and nutmeg.
Add about one-fourth of dry mixture at a time to creamed mixture, continuing to beat at medium speed until all flour mixture is incorporated.
Chill dough for 1 hour
Shape dough into 1 inch balls and roll in 1/2 cup sugar
Place 2 inches apart on a greased cookie sheet
Bake for 10 minutes
Tops will begin to crack. Allow to cool briefly on cookie sheet. Transfer to a wire rack to finish cooling