Preheat the oven to 350 degrees Fahrenheit and line a baking sheet with Gefen Parchment Paper or a silicone baking mat.

In a medium bowl combine flour, pumpkin pie spice, cinnamon, baking soda, cream of tartar, and salt. Set aside.

In a large mixing bowl, using an electric mixer, cream together the butter, coconut sugar, and brown sugar until well combined.

Mix in the egg yolk and vanilla extract, then mix in the pumpkin puree, stopping to scrape down the sides of the bowl as needed.

Add the dry ingredients to the wet ingredients and mix until just combined.

Refrigerate for 30 minutes.

Mix the pumpkin pie spice and sugar together in a small bowl.

Remove the cookie dough from the fridge and portion out using a cookie scoop.

Roll each cookie in the pumpkin spice sugar mixture and place on a baking sheet.

Bake for about 12 minutes until the cookies are set. Let cool and enjoy!