1/2 cup (1 stick) butter, melted
1 can evaporated milk
1 can Cheddar cheese soup
1/2 pound white American cheese, broken into pieces.
2 1/2 cups elbow macaroni (uncooked)
Mix together butter, evaporated milk and Cheddar cheese soup. Add American cheese. Pour into a baking dish.
Cook macaroni; drain and add to cheese mixture. Top with mixture of butter, bread crumbs and parmesan cheese and bake at 350 degrees F for 30 minutes.