Special to the Tribune News flash: This is the fourth year in a row the Mediterranean diet ranked No. 1 in best diets, according to the U.S. News & World Report’s annual list. It’s a wholesome heart-healthy diet based on vegetables, fruits, dairy, whole grains, legumes, fish, nuts, olive oil, wine (in moderation) and water. A bowl homemade mac and cheese. Enter: Mac and cheese. Macaroni and cheese aka mac ‘n’ cheese is an age-old dish created with cheese and pasta. The tradition recipe is a casserole baked in the oven. Its roots are not known but it’s no stranger in the United Kingdom or Canada. And it did find its way to America and has a reputation of being a comfort food for all ages.