Easy Pumpkin Dump Cake - Suburban Simplicity Erin HenrySeptember 03, 2021 68 www.suburbansimplicity.com Find the full recipe on www.suburbansimplicity.com!See the full directions on my site This Pumpkin Dump Cake recipe is so easy and tasty. The pumpkin, cinnamon spice, and pecans make the best fall dessert. It comes together quickly since you make it with yellow cake mix.