So you thought that New Orleans had a festival for every kind of food? Not quite, since macaroni and cheese somehow fell through the cracks. That will be remedied on October 21, when the NOLA Mac ‘N Cheese Festival makes its debut at Armstrong Park.

The idea was hatched last year when Kent Broussard, co-owner of the No Problem Raceway outside Baton Rouge, attended the Fried Chicken Festival in Lafayette Park with his girlfriend, former Detroit music promoter Jules Egren. “That was an absol...