Preheat oven to 350F.
Mix together the flour, ginger, baking soda, cinnamon, cloves, vanilla and salt. Set dry mixture aside.
In a large bowl, mix together the softened Kerrygold unsalted butter and 1 cup sugar until light and fluffy. Add egg, beat together while adding in water and molasses. Gradually stir the dry ingredients into the molasses mixture.
Knead dough for five minutes on heavily floured surface. Wrap in plastic wrap and cool in refrigerator for three hours.
When ready, roll the cold dough ¼ inch thick on a floured surface and cut out gingerbread men shape with floured cookie cutters. Place the cookies on a lightly greased cookie sheet. Bake for 10-12 minutes in preheated oven.
Allow cookies to cool on cookie sheet for 5 minutes before removing to a wire rack to cool completely.
For the icing, combine all ingredients in high-speed mixer until smooth. Scoop into piping bag and decorate as you please!
Makes approximately 15 gingerbread men. Store in an airtight container.