9. Biz Kids: Cookies are for Closers

This isn't your grandma's cookie! Valerie Bertinelli and Duff Goldman challenge the kid bakers to put their own stamp on one of today's biggest trends: the loaded cookie. They want the bakers to really go crazy while making batches of two different types of over-the-top cookies. The more toppings, filling and frosting the better for this semi-final challenge!