You’ve read all of your free items this month. To register, get added benefits and unlimited access to articles, Become a Member. Already a Member? Sign in. Advertising Age Article Abstract Pizza Hut Elevates Its Flavor Profile as a Recipe for Growth Yum Chain Trades Kitschy Pies for New Lines With More Sophisticated Tastes That Appeal to Millennials By Maureen Morrison, Published on May 28, 2014 1 Want more Access, Content & Connections? Upgrade to Membership. We are glad you are enjoying Advertising Age. To get uninterrupted access and additional benefits, become a member today. Become a Member Already a member? Log in.