Onion is Known for its pungent aroma and spicy taste, Onion is widely used in making gravies for vegetables and stews. Onion is a vegetable which is almost like a staple in Indian food. This is also known to be one of the essential ingredients of raw salads. They come in different colours like white, red or yellow and are quite in demand in cold salads and hot soups. One of the favourite ingredient in salads, it can be mixed and fried with gram flour to make delectable snacks and Pakodas too. Onions also help to improve the functions of the digestive system, because it releases the digestive juices and cures any problem related to digestion.