Move oven racks to upper-middle and lower-middle positions. Preheat oven to 350 degrees F. Spray 2 cookie sheets with nonstick cooking spray or line with silicone baking mats or parchment paper; set aside.
Into a medium bowl sift together flour, cream of tartar and baking soda; set aside.
In bowl of stand mixer fitted with a paddle attachment, or in large bowl using hand beaters, add butter, sugars and pudding mix. Mix on low until combined, then increase speed to medium and cream for 1 more minute. Add eggs and vanilla, mix on low until combined.
Dump in flour mixture and mix on low until combined and no flour streaks are left. Fold in cinnamon chips.
MAKE SUGAR COATING:
Add sugar and pumpkin pie spice to a pie plate. Mix with a fork to combine; set aside.
Use a 1 ½ Tablespoon cookie scoop to scoop batter. Roll into a ball, and roll into sugar coating mixture until coated. Repeat with remaining dough. Place balls on prepared cookie sheets. Bake 10-12 minutes, or until set around edges. Cool on cookie sheet for 5 minutes, then transfer to wire rack to cool completely.