1. Preheat oven to 350°F.
2. In a small mixing bowl, combine flour, baking soda, baking powder, spices, and salt. Set aside.
3. In a large mixing bowl, combine softened butter, granulated sugar & brown sugar. Mix until smooth and creamy. Add pumpkin puree, egg, and vanilla and mix well.
4. Gradually add the dry ingredients to the pumpkin mixture. Mix until fully incorporated. *Dough will be sticky!
5. Scoop cookie dough by tablespoonfuls onto a baking sheet lined with parchment paper OR prepared with cooking spray. (*The easiest way to scoop the dough is using a cookie scoop.) Bake at 350° for 12-14 minutes.
6. Remove from oven; transfer cookies to a wire rack and prepare cream cheese frosting. Frost generously and sprinkle with cinnamon. Enjoy!