Goo Goo Cluster Brownie Cheesecake February 26, 2015 by Kaylynn Zoe 4 Comments A Goo Goo cluster brownie Cheesecake? You may think it’d be too much, but I’m here to say that it is perfection. One of the first cookbooks I ever bought and LOVED was this Phildelphia Cheesecakes and More. It changed my life – for several reasons.