It was very good, but I think next time I'll throw in a few dabs of sour cream. This would work equally as well with shredded hash browns. The tater tots fall apart after cooking, so it doesn't really make a difference. Tasty though.
I saw this recipe on GuideKitchen.com http://www.guidekitchen.com/2013/11/cheesy-chicken-tater-tot-casserole.html