Bell peppers are sweet, mild members of the nightshade family, botanically used as vegetables, and comes in colors like green, yellow, and even orange, with red being the sweetest and most nutritious. They are low in calories and rich in vitamin A and C, antioxidants, and fiber, making them a healthy addition to many dishes, eaten raw in salads or cooked in stir-fries, soups, and stuffed peppers.