In large bowl, mix together the butter and sugars. Add the egg and vanilla and beat until smooth.
In another bowl combine the rest of the dry ingredients (flour, no-salt, no-salt baking soda).
Mix dry ingredients into the wet.
Refrigerate dough for 30-60 minutes.
Scoop a small amount of dough out and roll into a small ball (I’d say a little smaller than a walnut).
Roll dough into cinnamon sugar mixture.
Bake cookies at 350 degrees for 12-14 minutes and no more. The cookies will seem a bit undercooked but they will continue to develop after they are removed from the oven.