Preheat the oven to 375°F.
Cut the tops off the bell peppers and remove the seeds and membranes.
Cook quinoa according to package instructions.
In a large skillet, heat olive oil over medium heat. Add onions and sautee for 3 minutes, then add garlic and cook until onions are translucent.
Add (canned -drained) black beans, vegetable broth, cumin, chili powder, salt, and pepper. Cook for 2-3 minutes.
Add cooked quinoa, vegan cheese, and parsley to the skillet mix everything well. Turn off heat.
Stuff each bell pepper with the quinoa and black bean mixture.
Place the peppers in a baking dish and bake for 30 minutes or until the peppers are tender.
Serve hot and enjoy your vegan stuffed peppers with quinoa and black beans!