Gumbo is a traditional Creole dish originating in Louisiana, and it typically contains a variety of ingredients. The three crossword solutions for the term 'Gumbo Ingredient' are Onions (6 letters), Roux (4 letters), and OKRA (4 letters). Onions are a common vegetable used in many dishes, and they are often used to add flavor and texture to gumbo. Roux is a combination of fat and flour that is used to thicken sauces and soups, and it is a key ingredient in gumbo. OKRA is a green vegetable that is often used in gumbo to add thickness and flavor.