- Preheat your oven to 400 F. 
- Heat ghee in a skillet over medium-high heat. - 2 tbsp. ghee or coconut oil 
- Cook the onion and garlic until fragrant, 2 to 3 minutes. - 2 garlic cloves, 1 onion 
- Add the ground beef and cook until browned, 4 to 5 minutes longer. - 1 ½ lbs. ground beef 
- Add the mushrooms, and tomatoes, season to taste, and cook another 4 to 5 minutes. - 8 oz. mushrooms, 1 cup grape tomatoes, Sea salt and freshly ground black pepper 
- Stuff the bell peppers with the ground beef mixture and place in the baking dish. - 4 bell peppers 
- Place in the oven and bake for 15 minutes. 
- Serve topped with fresh parsley and parmesan. - 2 tbsp. fresh parsley, ½ cup grated parmesan