Steps
1. Preheat oven to 400°F and line a baking sheet with parchment paper.
2. Cut the pepper in half and remove the seeds and ribs.
3. In a medium bowl, mix together the cooked quinoa, grated carrot, chopped mushrooms, tomatoes, olive oil, salt, and oregano.
4. Stuff the peppers with the quinoa mixture and place them on the prepared baking sheet.
5. Bake for 20 minutes or until the peppers are tender.
6. (Optional) Top with vegan cheese and bake for another 5 minutes.
7. Serve and enjoy.