Preheat the oven to 350F and prepare 2 cookie sheets by lining them with parchment paper.
To a small bowl, add all of the dry ingredients - flour, baking soda, cream of tartar, ground cinnamon, ginger, nutmeg and cloves. Whisk to combine and set the bowl aside.
To a medium bowl, add the sugar and butter. Using a handheld mixer, cream the butter and sugar together on medium-high speed for 2 to 3 minutes. It should be light, and creamy.
To the creamed butter and sugar, add the pumpkin puree and vanilla extract. Blend on medium speed for 30 seconds to one minute.
Add the dry ingredients to the wet ingredients. Blend at medium speed until no more flour can be seen.
Prepare the rolling sugar by adding the sugar, ground cinnamon, ginger, nutmeg and cloves to a small container. Mix well and set aside.
Each cookie is 2 tablespoons of cookie batter. Scoop the batter, roll it between your palms to form it into a ball and smooth it out. Place the dough ball in the rolling sugar and roll it around until it is fully coated. Place the coated dough ball on a prepared cookie sheet. Repeat this process for all 16 cookies. I baked 6 cookies per cookie sheet.
Bake the cookies for 10 to 12 minutes. As soon as the trays come out of the oven, I bang the pan 2 to 3 times to flatten the tops just a tad - this step is optional.Let the cookies cool on the pan for 5 to 10 minutes before transferring them to a cooling rack.Store the cookies in an airtight container at room temperature.