Preheat the oven to 350°F/180°C, and line 2 large cookie sheets with parchment paper. In a bowl, combine the dry ingredients: flour, baking soda, salt, and cinnamon. Set aside.
Bake for 8-10 minutes or until the bottom of the cookie is lightly browned, remove from the oven and allow to cool on the cookie sheet for 5 minutes then transfer to a wire rack to cool completely.