Stuffed bell peppers are a delicious and versatile veggie sizzler option. Cut the tops off bell peppers and remove the seeds and membranes. Stuff the peppers with a flavorful mixture of cooked quinoa, black beans, corn, diced tomatoes, and spices. Top the stuffed peppers with cheese and bake them until the peppers are tender and the cheese is melted and bubbly. This veggie sizzler is a satisfying and nutritious dish that can be customized with your favorite ingredients.