In the bowl of your mixer fitted with the paddle attachment, CREAM together butter and brown sugar.
ADD molasses, egg, and vanilla extract. Mix on low/medium speed until combined.
In a separate bowl, WHISK together flour, salt, cinnamon, ginger, nutmeg, cloves, and white pepper. Slowly ADD the flour mixture to the wet ingredients and MIX until a sticky dough forms.
CHILL dough in 2 log shapes in plastic wrap for at least 30 minutes.
PREHEAT oven to 375 degrees F.
FILL cookie press with chilled cookie dough. Press onto cold, ungreased cookie sheets.
BAKE for 7-9 minutes. Let cookies cool on the baking sheet for 5 minutes before removing to cool on a wire rack completely.