In the mixing bowl add flour, salt and pumpkin spice. Sift and set aside.
In the mixing bowl of stand mixer with the paddle attachement beat together the butter and sugar on the medium-high speed untill pale and fluffy. This takes about 2 minutes.
Add flour mix and beat on low speed untill it all forms a stiff dough. Scape down the sides of the bowl with the spatula. Stop mixing as soon as dough comes together.
Shape the dough into disk about 1-inch thick and cover with the plastic wrap. Place dough in the refrigerator to chill for 30- 45 minutes.
Preheat oven to 350o F. Line two bakign sheets with parchment paper or Silikomart Air Mat.
Roll the dough to 1/4 to 1/2-inch thick, rolling from the center outward in all directions. You can lift and rotate a bit after every few strokes. Dust with flour as needed to discourage sticking.
Cut out cookies using round cookies cutter. Space the cookies about 1 inch apart on the baking sheet.
Bake cookies for 20 minutes or untill they start to turn golden.
Allow the cookies to cool on the baking sheet for 10 minutes, then move them to a wire rack to cool completely.