Preheat oven to 350 degrees F.
In a medium bowl, whisk together flour, cream of tartar, baking soda, and salt together. Set aside.
In a small bowl mix together the sugar and cinnamon for the topping and set aside.
Using a stand or hand mixer, cream together sugar and butter.
Add the eggs, one at a time and mix until incorporated. Add vanilla and blend well.
Slowly add the dry ingredients to the wet ingredients and mix well.
Shape dough into 1 inch balls and roll in the cinnamon-sugar mixture.
Place 2 inches apart on ungreased or parchment lined cookie sheet.
Bake for 8-10 minutes or until done in the center.
Remove from the oven and let sit for 2 minutes. Place on a cooling rack until cooled.