For a healthy and flavorful vegetarian dinner, try these stuffed bell peppers with quinoa and black beans. The bell peppers are filled with a mixture of cooked quinoa, black beans, corn, tomatoes, and spices, then baked until tender. The combination of ingredients creates a hearty and nutritious dish that is packed with protein and fiber. Serve the stuffed bell peppers with a dollop of sour cream and a sprinkle of fresh cilantro for a colorful and satisfying meal.