Slice and Rinse – Slice the sausage into ¼-inch rounds. Rinse the rice under cold water until the water runs clear. Set aside.
Sear the Sausage – Heat annatto oil in a large Dutch oven over medium heat. Add sliced sausage and cook for 3-4 minutes per side until browned. Remove and set aside.
Sauté the Vegetables – Add onions and bell peppers to the Dutch oven. Cook for 3-4 minutes until softened.
Add Garlic and Tomato Paste – Stir in garlic and cook for 30 seconds, then add tomato paste and cook for another minute.
Add the Seasoning – Stir in Cajun seasoning, paprika, oregano, salt, and black pepper.
Toast the Rice – Add rinsed rice and stir to coat. Let cook for 1-2 minutes, stirring occasionally.
Add Broth and Simmer – Pour in broth, stir, cover, and simmer for 20 minutes, stirring occasionally.
Return Sausage and Finish Cooking – Add the sausage back to the pot and cook for 2 minutes.
Garnish and Serve – Top with parsley and serve with hot sauce.