Preheat oven to 350 degrees.
In a large bowl, using an electric mixer, cream butter and sugar until light and fluffy.
Beat in egg and molasses.
In a medium bowl, combine the flour, ginger, baking soda, cinnamon, cloves and salt.
Gradually add the flour mixture to the creamed mixture and mix well.
Roll into 1½ in. balls. Pour sugar on a plate or work surface, and roll dough balls in the sugar.
Place dough balls 2 in. apart on ungreased baking sheets.
Bake at 350° 10-12 minutes until lightly browned.
Transfer to wire racks to cool.