1: Preheat your oven to 375F and place the peppers cut side up into a baking dish or a rimmed tray.
2: Heat oil in a large pan over medium heat.
3: Sauté onion until softens, then stir in garlic and cook for about 1 minute more.
4: Add ground beef and cook until no longer pink, breaking up meat with a wooden spoon, for 5-6 minutes.
5: Stir in cooked brown rice, diced tomatoes, tomato paste, oregano, and smoked paprika.
6: Cook until sauce is slightly reduced, about 4-5 minutes.
7: Taste and season with salt and pepper as needed.
8: Stuff each pepper with beef mixture and bake until peppers are mostly tender, about 10-12 minutes.
9: Sprinkle with cheese and bake for 5-7 minutes more.
10: Garnish with fresh chopped parsley before serving. Enjoy!
