Green gumbo or gumbo z'herbes is a traditional dish hailing from Louisiana. This type of gumbo is meatless and it's prepared with various greens instead. The dish is made with a combination of onions, flour, oil, Tabasco sauce, cayenne, filé powder, celery, bell peppers, garlic, mustard, turnip greens, collards, spinach, parsley, kale, and/or swiss chard.