Step 1

In a large saucepan of 2 cups water, cook rice according to package instructions; set aside.

Step 2

Heat vegetable oil in a large stockpot or Dutch oven over medium heat. Working in batches, add sausage, and cook, stirring frequently, until sausage is lightly browned, about 3-4 minutes; set aside.

Step 3

Add onion, bell pepper and celery. Cook, stirring occasionally, until tender, about 3-4 minutes.

Step 4

Stir in tomato paste, garlic and Cajun seasoning until fragrant, about 1 minute.

Step 5

Stir in red beans, chicken stock, hot sauce, bay leaf and sausage; season with salt and pepper, to taste. Bring to a boil; cover, reduce heat and simmer for 15 minutes. Uncover; continue to simmer until reduced, an additional 15 minutes.

Step 6

Using a wooden spoon, mash beans until slightly thickened, if desired; season with salt and pepper, to taste.

Step 7

Serve immediately, topped with rice and garnished with parsley, if desired.