Preheat oven to 350° Fahrenheit. In a large mixing bowl, combine the butter and brown sugar using a hand mixer or stand mixer.
Add egg, molasses, and vanilla. Beat until combined.
In a separate bowl, whisk together the flour, xanthan gum (if using), ginger, cinnamon, nutmeg, ground cloves, and baking soda until combined.
Add the dry ingredients to the wet ingredients. Mix until combined and smooth.
Cover bowl and chill dough for at least 1 hour. Once chilled, use a tablespoon or cookie scoop to scoop dough into balls.
Mix sugar, cinnamon, and nutmeg together in a separate bowl.
Roll dough balls in cinnamon sugar mixture. Place coated dough on parchment-paper-lined baking sheet. Space dough balls approximately 2 inches apart, to avoid dough spreading together during baking.
Bake for 15 minutes or until crispy on the edges. Cookies should have a cracked exterior. Let cool for 3 to 5 minutes before transferring to a cooling rack.