Heat the water, add salt ... boil. Cook the macaroni and drain. Make a white sauce and thin it with water. Mix the Cheddar cheese, white sauce and the ... hour at 350 degrees.
Preheat oven to 350 degrees. Cook macaroni according to package directions; drain. Combine macaroni, corned beef, cheese, soup, milk, onion and ... to a "covered dish".
Simmer first 5 ingredients, stirring ... until thick. Add cheese, a small handful at ... and smooth. Boil macaroni according to package. Butter a ... for cheese fondue, also!