Pecan Pumpkin Crunch Cake, made with classic fall flavors like pumpkin, pecan, and brown sugar-cinnamon spice, is out of this world delicious! If you’re tired of traditional pumpkin pie or pecan pie, try this pumpkin cake recipe with smooth and gooey pumpkin pie filling and crunchy pecan streusel topping! It's the perfect addition to a Thanksgiving or Christmas celebration.