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 to butter mixture. Mix until fully incorporated.
04 - Gradually incorporate dry ingredients into wet mixture on low speed until thick dough forms.
05 - Divide dough into two equal portions. Flatten into disks, wrap in plastic, and refrigerate for minimum 1 hour or overnight.
06 - Preheat oven to 350°F. Line baking sheets with parchment paper.
07 - Roll chilled dough on lightly floured surface to 1/4 inch thickness. Cut shapes with cookie cutters and place 1 inch apart on prepared baking sheets.
08 - Bake for 8-10 minutes until edges begin turning golden. Cool on pan for 2 minutes before transferring to wire rack.
09 - Whisk powdered sugar with 2-3 tbsp milk or water until smooth. Adjust liquid for desired consistency.
10 - Decorate completely cooled cookies with icing and sprinkles. Allow icing to set before serving or storing.