Easy Hamburger Casserole
["1 to 1 1/2 lb. hamburger", "4 to 5 medium potatoes, peeled", "4 carrots", "2 cans tomato sauce"]
["Place hamburger, uncooked, in 3-quart baking dish.", "Top with thinly sliced carrots."]
["hamburger", "potatoes", "carrots", "tomato sauce"]