This gluten-free chicken gumbo recipe starts with a simple, deep, dark caramel-colored gluten-free roux, which is a combination of browned oil and flour. Veggieseverything from onions, celery, bell pepper, garlic, and tomatoesare added to give the gumbo texture and flavor. Okra is a signature of gumbo. The other ingredients are basic, easy to find, and economical, but gumbo is a passionate, creative dish. In place of chicken, you can use shrimp, oysters, crab meat, lobster, crawfish, roasted pork, duck, goose, or even pheasant. A bowl of gumbo is as rich, steeped in mystery and complex as louisiana itself, where it originated. Making gumbo is an artful endeavor and the colors, aromas, and flavorslike a visit to new orleansare definitely worth the effort.