Transform bell peppers into a nutritious and colorful meal by stuffing them with quinoa and vegetables. Cook quinoa according to package instructions and mix it with sautéed onions, garlic, diced tomatoes, corn, black beans, and your favorite herbs and spices. Cut the tops off bell peppers, remove the seeds, and stuff them with the quinoa mixture. Bake in the oven until the peppers are tender and the filling is heated through. Quinoa stuffed bell peppers are a wholesome and satisfying dish that can be enjoyed as a main course.