http://www.foodnetwork.com/recipes/trisha-yearwood/snickerdoodles-recipe

1/2 C softened butter
3/4 C sugar
1 egg
1/2 t vanilla
1 1/3 C flour
1 t cream of tartar
1/2 t baking soda
1/4 t salt

1 T sugar
1 t cinnamon

Cream together butter, sugar, and vanilla.
Mix in the egg until well combined.
Sift together the flour, cream of tartar, baking soda, and salt.
Add the dry to the wet and mix together.
Mix the 1T sugar with the cinnamon and roll tablespoon-sized balls of dough
into the mixture.
Bake at 375 for 8-10 minutes.