December 18th is Bake Cookies Day and we could not be more excited. There are so many cookies to make and with how versatile the they are you can fill up your cookies with anything you want. Chocolate? Yes. Walnuts? Throw them in. Marshmallows? A solid choice. Black Licorice? Kinda weird but, you know what, it is your cookie so you do whatever you want with it!