Steps
1. Preheat the oven to 375°F (190°C).
2. Cut the top off the bell pepper and remove the seeds.
3. Slice the onion and caramelize it in a pan with olive oil.
4. Mix the caramelized onions with cooked quinoa, cheese, salt, and pepper.
5. Stuff the bell pepper with the mixture.
6. Place the stuffed bell pepper in a baking dish, drizzle with olive oil, and bake for 25-30 minutes.
7. Serve hot and enjoy!