Cream butter and sugar

Add eggs

In another bowl, add flour, tartar, soda, and salt. Mix well.

Combine wet and dry ingredients until well combined.

Chill the dough for 30 minutes (chill the cookie sheet if possible).

Roll dough into spoon sized balls and roll in cinnamon sugar mixture

Bake at 350 for 8-10 minutes, until barely brown at the edges