Step 1

Combine flour, cream of tartar, baking soda, and salt; set aside.

Step 2

In a stand mixer, cream butter and sugar together until creamy, about 4-5 minutes. Add in your egg and vanilla and cream for another 2 minutes.

Step 3

Turn the mixer speed to low and slowly add the flour mixture. Referiate dough for 20-30 minutes.

Step 4

In a small bowl, mix together sugar and cinnamon and sugar.

Step 5

Roll the dough into 1-inch balls and drop them into the cinnamon-sugar mixture until well coated.

Step 6

Place dough balls onto prepared apartment paper. Press dough balls down in the center to make a flatter-cookies, if desired.

Step 7

Bake for 8-10 minutes and let cool for 5-10 minutes on the cookie sheet before transferring them to a cooling rack.