01 - Set oven to 375°F. Allow to preheat while preparing ingredients.
02 - Slice the tops off each bell pepper and set aside. Remove seeds and membranes. Carefully carve jack-o'-lantern faces into one side using a paring knife.
03 - Heat olive oil in a large skillet over medium heat. Add chopped onion and sauté for 3 minutes until softened.
04 - Add minced garlic into the skillet and cook for 1 minute, stirring continuously until fragrant.
05 - Add ground beef or turkey, break up with a spoon, and cook until thoroughly browned, approximately 5 to 7 minutes. Drain any excess fat as needed.
06 - Incorporate cooked rice, diced tomatoes, tomato paste, dried oregano, smoked paprika, salt, black pepper, and chopped parsley into the meat mixture. Cook, stirring, for 2 to 3 minutes.
07 - Remove skillet from heat. Stir in 1/2 cup shredded cheddar cheese until evenly distributed.
08 - Fill each carved bell pepper with the prepared meat and rice mixture, packing gently. Arrange peppers upright in a baking dish.
09 - Distribute 1/4 cup shredded cheddar cheese over the stuffed peppers. Place the reserved tops on each pepper.
10 - Pour 1/4 cup water into the bottom of the baking dish to encourage steaming.
11 - Cover the dish tightly with foil and bake for 30 minutes.
12 - Remove the foil and continue baking for 10 minutes, until bell peppers are tender and the cheese is bubbling.
13 - Allow peppers to cool slightly before serving.