01 - In a large bowl, cream the butter and brown sugar until light and fluffy.
02 - Beat in molasses, egg, and vanilla extract until well combined.
03 - Whisk together flour, ground ginger, cinnamon, cloves, nutmeg, baking soda, and salt in a separate bowl.
04 - Gradually mix dry ingredients into wet mixture until a soft dough forms.
05 - Divide dough in half, flatten into disks, wrap in plastic wrap, and chill for at least 1 hour.
06 - Preheat oven to 350°F and line baking sheets with parchment paper.
07 - Roll chilled dough on a lightly floured surface to 1/4 inch thickness and cut into gingerbread men shapes.
08 - Place cookies 1 inch apart on prepared sheets and bake for 8 to 10 minutes until edges are set.
09 - Let cookies cool on baking sheets for 5 minutes, then transfer to wire racks to cool completely.
10 - Mix powdered sugar, meringue powder, and water until smooth and thick but pipeable; add food coloring if desired.
11 - Pipe icing onto cooled cookies using a bag; let icing set before serving or storing.