Preheat the oven to 350 F. In a medium bowl, whisk together flour, pudding mix, salt, baking soda, and pumpkin pie spice. In a large bowl, combine butter with pumpkin puree and both sugars until fluffy.
Add in the egg and vanilla extract, and mix until smooth. Add in the flour mixture, and mix until it is fully combined. In a shallow dish, combine granulated sugar and ground cinnamon.
Roll the cookie dough into balls, and roll into the cinnamon sugar mixture, place cookies onto a large ungreased baking sheet at least 2-inches apart. Bake for 10-12 minutes.
