In a medium bowl, whisk together butter, brown sugar, sugar, pumpkin and vanilla until smooth.
In a large bowl, mix flour, salt, baking powder, baking soda, cinnamon, and pie spice.
Add pumpkin mixture to flour mixture. Fold in white chocolate chips. Chill for at least 30 minutes.
Preheat oven to 350 F . Line a large baking sheet with parchment paper or a nonstick baking mat. Put the cinnamon sugar into a small bowl.
Form 1 ½-inch balls from the dough, and roll each one in the cinnamon sugar. Arrange on baking sheet 2 inches apart and flatten slightly.
Bake for 10 min and then cool for 10 min before transferring to a wire rack. Serve & enjoy!