This Cheesy Potato Casserole or Cheesy Hashbrown Potato Casserole is total comfort food. It's a cheesy potato casserole made from shredded potatoes, cheese, and sour cream. It's loaded with flavor and one of the best classic recipes made with potatoes. Your family is going to fall in love with this cheesy potato side dish. This cheesy side dish recipe goes by many different names – cheesy potatoes casserole, cheesy potato bake, funeral potatoes, and hashbrown casserole are just a few.