Chick-fil-A's Mac and Cheese Is Now Available Nationwide.It's hard to believe it took this long, but Chick-fil-A is finally serving mac and cheese. They've been testing out a side of mac and cheese for the past few years, and apparently the tests went well, because yesterday they rolled out mac and cheese as a permanent menu item nationwide.The price varies based on the market, but the side should run you roughly $3.