Spicy Cajun shrimp pasta is a modern Louisiana dish that combines traditional Cajun spices with Italian-American cream-based pasta. It likely originated in New Orleans restaurants in the late 20th century. The dish features a spicy blackened seasoning blend and a rich, creamy sauce reminiscent of Cajun-style Alfredo. Historically, it was peasant food from southern Louisiana, made with seafood and vegetables cooked in one pot and often served with rice or pasta.