Staple of Cajun cuisine can be found in two crossword solutions: RICE (4 letters) and OKRA (4 letters). RICE is a grain that is widely used in many cultures, but it is especially popular in Cajun cuisine. It is often used as a side dish or as an ingredient in dishes such as jambalaya and gumbo. OKRA is a vegetable that is also commonly used in Cajun cooking. It is often fried or stewed and is a key ingredient in dishes such as gumbo and etouffee. Both RICE and OKRA are essential ingredients in Cajun cuisine and are considered staples of the cuisine.