Round this way, we refer to it as tater tot casserole and it's one of the few foods that I totally miss since I went dairy, gluten, and soy free. Making it to suit my dietary needs would defeat the purpose. I've never seen anyone put corn in it--that would involve Vegetables, and I think whoever originally came up with my family's version was scared of them.

Mind you, my family thinks that adding together Italian sausage and hamburger makes it three thousand times better. (I agree with this assessment.) We cook the meat mixture first, mostly because of an incident perpetrated by yours truly at age six. We had a babysitter, babysitter spoke primarily Russian, and I was tetchy about the subject of a babysitter. Babysitter tried taking directions from me as to how to make dinner. The resultant tater tot casserole ended up with a raw meat mixture that didn't quite finish cooking. I plead the fifth as to how sick the household became.