In a large mixing bowl, beat the butter until smooth. Then, beat in the brown sugar, molasses, ginger, cinnamon, baking soda, and flour.
Scoop dough and roll into balls. Place on a greased or lined baking sheet. Next, bake for 9-12 minutes. Allow to cool on baking tray for a few minutes before removing.
DRIZZLE: In a small bowl, whisk the powdered sugar and 1 Tbsp. of cream/milk, until a thick glaze forms. May need to add a bit more sugar or liquid until desired consistency is reached. Drizzle or pipe over cooled cookies.