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