01 - Preheat oven to 350°F.
02 - Slice off tops of bell peppers and remove seeds and membranes. Set aside.
03 - Heat olive oil in a large skillet over medium heat. Add onion, celery, and jalapeño. Sauté for 4–5 minutes until softened.
04 - Add garlic and cook for 1 minute until fragrant.
05 - Add ground beef to skillet. Cook, breaking up with a spoon, until browned and cooked through, about 6–8 minutes. Drain excess fat if necessary.
06 - Stir in diced tomatoes, cooked rice, Creole seasoning, paprika, thyme, cayenne, salt, and pepper. Simmer for 3–4 minutes to blend flavors.
07 - Remove from heat and stir in half the cheddar cheese.
08 - Spoon beef and rice mixture evenly into prepared bell peppers. Set peppers upright in a baking dish.
09 - Top each stuffed pepper with remaining cheddar cheese.
10 - Add ¼ cup water to bottom of baking dish. Cover with foil and bake for 30 minutes.
11 - Remove foil and bake an additional 10–15 minutes until peppers are tender and cheese is golden and bubbly.
12 - Garnish with chopped parsley and serve hot.