Preheat oven to 350° and grease a 3 qt baking dish (9x13). Set aside.
Prepare soup as directed on soup box using water and milk as above.
Remove soup from stove and add cheese. Stir until melted.
Add cooked pasta and place in baking dish.
Add butter to bread crumbs. Sprinkle over pasta and bake 15-20 min.