01 - Whisk together flour, baking soda, baking powder, ginger, cinnamon, cloves, nutmeg, and salt in a medium bowl. Set aside.
02 - Beat softened butter and brown sugar on medium speed until light and creamy, approximately 2 minutes.
03 - Add egg, molasses, and vanilla extract. Mix until thoroughly combined.
04 - Gradually add dry ingredients to wet mixture, mixing on low speed until thick dough forms.
05 - Divide dough into two equal portions. Flatten each into a disk, wrap in plastic, and refrigerate for at least 1 hour or overnight.
06 - Preheat oven to 350°F. Line baking sheets with parchment paper.
07 - On lightly floured surface, roll one portion of chilled dough to 1/4 inch thickness.
08 - Cut into shapes with cookie cutters and place 1 inch apart on prepared baking sheets.
09 - Bake 8-10 minutes until edges just begin to turn golden. Cool 2 minutes on pan, then transfer to wire rack to cool completely.
10 - Stir powdered sugar with 2-3 tbsp milk or water until smooth but not runny. Adjust liquid for desired consistency.
11 - Decorate fully cooled cookies with icing and sprinkles. Allow icing to set before serving or storing.