I just made that a couple hours ago!
Usually I buy "Real Potatos" brand hash browns, made fresh & not frozen. Sometimes I make hash from scratch. This time I was lazy and bought Wal-Mart brand tator tots.
And you know, it was better than usual!
I just bake the tots (or heavily brown the hash as the case may be) til they're nice and crisp. With tator tots, I first pour them into a med sized plastic bag, pour in a few TBSP of oil & shake well to coat- helps the tots crisp up.
NOTE THAT I ALWAYS COOK THE POTATOES SEPARATELY! It's really not much more hassle since you can do it while you cook the meat. Then the oven is already hot.
I like to line the bottom of a cake pan with a layer about 1" deep. I then layer 2 cans of drained french cut green beans over the spuds. I cook up a few pounds of burger in the electric skillet, browned with half an onion, finely diced. Season with a bit of salt, pepper & dried italian seaoning, plus a bit of minced garlic, then stir in cream of mushroom soup (2 & 1/2 small cans or one large one) and thin with a touch of milk.
Then I spread the meat over the potatos, top with shredded cheddar cheese and bake for 1/2 hr at 350. Lastly, I crank the oven up to "BROIL" for a few minutes to brown the cheese. Not anything pretentious or fancy, but good solid comfort food!