An unmatchable macaroni and double cheese dish made with Black Diamond Extra Old Cheddar Cheese and Swiss Cheese Slices.
Courtesy of Black Diamond
Cook macaroni according to package directions.
Melt butter in same saucepan.
Add onions; cook and stir over medium heat until tender.
Blend in mustard.
Beat together milk and eggs in small bowl; add to saucepan with cheeses and macaroni.
Cook and stir over medium-low heat until cheeses melt and sauce is creamy and slightly thickened.
Add salt and pepper to taste.