I just learned how to make homemade Mac and Cheese from Alton Brown
Wow,  e for Chosen Topic  Macaroni and cheese  Macaroni and cheese—also called mac and cheese in American, Canadian, and macaroni pie in Caribbean English; and macaroni cheese in the United Kingdom—is a dish of English origin, consisting of cooked macaroni pasta and a cheese sauce, 
The real trick is to make a homemade bechamel sauce to melt your cheese in. I prefer cheddar cheese, you?
Macaroni and cheese
Macaroni and cheese—also called mac and cheese or mac n cheese in American and Canadian English, macaroni cheese in the United Kingdom—is a dish of English origin, consisting of cooked macaroni pasta and a cheese sauce, most commonly cheddar. It can also incorporate other ingredients, such as breadcrumbs, meat and vegetables.
Traditional macaroni and cheese is a casserole baked in the oven; however, it may be prepared in a sauce pan on top of the stove or using a packaged mix.
Chili mac
Chili mac is a dish prepared using chili and macaroni as primary ingredients, which is often topped or intermingled with cheese. Some versions are made using prepared or homemade macaroni and cheese. It is a common dish in the Midwestern United States, and is also popular in other areas of the United States. It can be a relatively inexpensive dish to prepare, and has been described as a comfort food. Several variations of the dish exist, and prepared canned and boxed versions also exist.
Preparation.