Preheat oven to 350 degrees
In a large mixing bowl, cream the butter and brown sugar with electric mixer, then add the egg and molasses, and mix until fully combined
Mix in 1 cup of flour, then add remaining flour, baking soda, salt, ginger and cinnamon.
Chill dough until slightly firm (about 5 minutes) If your kitchen is cool, and dough is firm, you can skip this
Drop dough by rounded teaspoonfulls into granulated sugar, and roll until covered, then place on lined cookie sheet
Bake for 8 minutes or until edges are slightly firm. Do not overbake
Remove from oven, add more sugar or colored sugar crystals, if desired. Transfer to wire baking rack or another surface until completely cool