Note:The cooking time will depend on your oven temperature and your desired chewiness. The longer you leave the cookie in the oven, the more crisp it will become.Variations:For the 1 cup of chips, you can use two-four kinds of chips.2 kinds could be ½ and ½ or ¾ and ¼ of each3 kinds can be 1/3 of each4 kinds can be ¼ of each