(TrendHunter.com) The Denny's Pecan Panookie is launching from the diner brand to provide patrons with a way to indulge their sweet tooth with a dessert that's packed with a range of different tastes and... (TrendHunter.com) The Denny's Pecan Panookie is launching from the diner brand to provide patrons with a way to indulge their sweet tooth with a dessert that's packed with a range of different tastes and...