Line parchment paper or baking mats on baking sheets
In a medium bowl add flour, pumpkin spice, baking powder, baking soda, and salt mix and set aside.
In a large bowl add oil, brown sugar, granulated sugar, egg, pumpkin, and vanilla. Mix just until combined.
Mix the dry ingredients into the wet ingredients just until combined.
Let rest 10 minutes
Place confectioners sugar for rolling in a shallow bowl.
Scoop the cookie dough by using a 2 tablespoon cookie scoop or spoon, form into a ball (the dough is soft) then roll in the confectioner's sugar and roll again until well coated.
Place on a baking sheet. Bake 9-10 minutes until puffy and cracked. Do not over bake.
Cool slightly and remove to a wire cooling rack.
Notes
Make sure you get 100% pure pumpkin and not pumpkin pie filling.The dough is very soft, the balls don't have to be perfectly formed.