Preheat oven to 400°. Line pans with parchment paper.
Cream butter, shortening, 1 1/2 cups sugar, eggs and vanilla in mixer.
Blend in flour, cream of tartar, baking soda and salt.
Mix cinnamon and sugar together in a small, separate bowl.
Roll teaspoonfuls of dough into ball shapes with your hands.
Roll balls into Cinnamon/Sugar Mix until completely covered.
Bake at 400° for approximately 8 minutes.