Gumbo is a rich stew made by layering the flavors of the proteins with Louisiana's version of mirepoix - affectionately called the Holy Trinity by Cajun and Creole cooks everywhere - onions, green bell peppers, and celery. As in most recipes on Whole Food | Real Families, we stay clear of refined ingredients and simplify where we can to make recipes more nutritious and easier to get on the table.