In a medium bowl combine the flour, salt, baking soda, and the spices. Stir to combine.
In the bowl of the stand mixer, with the paddle attachment, cream the butter and sugar until light.
Add the molasses, mix.
Add the vanilla, mix.
One at a time, add the eggs. Beat after each addition.
Mix in the dry ingredients, until they just come together. If they are too dry, add a little milk. If they seem to wet, add more flour.
Separate into two discs, cover with cling-film, and place in the refrigerator to chill for a few hours or over night.
Remove the dough from the refrigerator. On a lightly floured surface, roll the dough out and cut with cookie cutters.
Contiue to put the dough back together, roll, and cut, until all of the dough is used up.
Place the cut out dough, onto lined cookie sheets. Place in the freezer for 30 mins.
Preheat your oven to 350 ℉ (175 ℃).
Bake the cookies for 9-12 mins.
Allow the cookies to cool. Then decorate!