Another winner from the ladies at Gooseberry Patch--I've been making some version of this for YEARS!--and the family loves it no matter what I throw in the pan. The recipe calls for Monterey Jack cheese, but I've had equally good results with Cheddar or a mixture of Ched with Swiss or Provolone. And I've NEVER thawed the hash-browns (having not enough sense to actually PLAN much ahead it seems!), so you can folllow the recipe and thaw them, or fly by the seat of your pants and use them frozen. Also...if you add MORE meat, you'll have a main dish meal for a busy weeknight when everyone is flying in and out the door at a different time. My, my! All these choices!