Jambalaya is a one-pot Louisiana rice dish built on the Creole "holy trinity" of onion, celery, and bell pepper, layered with smoky sausage, chicken, and shrimp. The rice cooks directly in a well-seasoned tomato-and-broth base, soaking up the flavor of everything simmered before it rather than being cooked separately and mixed in. It's a hearty, one-pan meal that rewards patience during the simmer -- the deep color and flavor come from building each layer before adding the next.