I am a lover of breakfast casseroles. i admit it. every time i go to a meeting or potluck, i bring one of these 20 make ahead breakfasts. i love how you can start with a few basic ingredients and just swap items in and out to come up with a whole new dish. this cheesy hash brown casserole is a family favorite and will feed a crowd. cheesy hash brown casserole this cheesy hash brown casserole is made in a 9 x 13 baking dish. i often use this baking dish for making my casseroles. it is very versatile.