Beef with hamburger

1 lb lean ground beef 4 cups water 2 tablespoons chicken base 1 pint half-and-half 1 lb American cheese , cubed 1 large onion , diced 3 tablespoons butter 2[...]

1 lb grnd beef 1 can Campbell's(r) Italian Tomato Soup 1/4 c. water 4 slc mozzarella , process American or possibly Monterey Jack cheese 4 x hamburger rolls  [...]