Melt butter over medium heat. Sprinkle in flour, stir with a wisk for about 30 seconds. Whisk in milk. When milk bubbles, turn heat to low. Add cheeses, salt, mustard, nutmeg and wine or sherry if using. Stir frequently over low heat until cheese is melted.
Pour cheese sauce over pasta in casserole dish. Top with bread crumbs, tomato halves and parsley. Dot with butter. Bake 350, uncovered for 25 minutes!
Time to Prepare: 15 minutes on the stove, 25 in the oven
Submitted By: Casey
Original Source: Karina's Kitchen
This is such a nice twist on Mac and Cheese. I used the pre-shredded mexican cheese blend. Made this dish have a very nacho taste, it was great!