n 1. Wash and soak the 15 bean mix for 4 - 5 hrs.nn 2. After soaking, wash and add greenchillies plus ginger to it and grind to a coarse paste. Add only little amount of water while grinding, if possible no water. The mixture should not be a smooth paste, it should be grainy.nn 3. To this mixture add, onions, carrot, mint, cilantro, curry leaves, coriander and cumin powder and salt. Mix well.nn 4. Heat enough oil in a kadai/ pan on medium heat.nn 5.  Vadas can be made on the palm or plastic paper (ziploc bag).nn 6. Apply very little water to the palms/ plastic paper, make a round shape with your hands running through the edges.Flatten it and make a hole in the centre.nn 7. Drop the vadas into the oil. Deep fry them in hot oil until they are golden brown.nn 8. Serve hot. It can be served  as snack with any chutney or as a side dish with rice and sambhar/ dal.nn  nn Note: You can prepare the 15 bean mix at home by combining the above mentioned legumes in equal quantities.n