Classic Chocolate Chip Cookies

Big enough to serve as a birthday cookie (with a candle in the middle), one of these can also feed a whole posse of hungry friends, or it can be doled out to yourself in daily chunks for a cookie fix that can last a week. Each of the finished cookies of the largest size weighs about a pound—it is the heaviest of the maxis—and is 9 inches, or a bit over, in diameter. This chocolate-chipper for Gargantua, when shrunken down to cookie shop size (the smallest), is very similar to the classic pr