Preheat the oven to 375°F (190°C).
Slice the tops off the bell peppers and remove the seeds inside.
Drizzle peppers with olive oil and place them in a baking dish.
Heat a skillet over medium heat and sauté onions until softened.
Add garlic, tomatoes, lentils, quinoa, and spices. Stir well and cook for 5 minutes.
Remove from heat and mix in fresh parsley and nutritional yeast.
Spoon the lentil mixture into the peppers until they’re fully stuffed.
Cover the dish with foil and bake for 25 minutes.
Uncover and bake for another 5 minutes for a slightly crispy top.
Serve hot and enjoy the satisfaction of eating a meal that looks way fancier than it actually is.