Preheat the oven to 375 degrees.
Line baking sheet with parchment paper.
Combine the flour, baking soda, salt, one teaspoon of pumpkin spice and cream of tartar in a large bowl. Whisk very well.
In a separate large bowl, cream together the butter, eggs, sugar and vanilla.
Add the dry ingredients to the wet ingredients and beat until all ingredients are combined.
Mix 3 tablespoons of sugar with 2 tablespoons pumpkin spice.
Use a tablespoon to create rounded balls of cookie dough.
Thoroughly roll the balls of dough into the sugar and pumpkin spice.
Space the cookie dough balls 2-3 inches apart on cooking sheet.
Bake for 8-10 minutes or until done - for soft cookies take out of the oven when slightly under cooked.
Let rest on cookie sheet for 3-5 minutes after baking, then transfer to a wire cookie rack.