What is "usal"

Usal/Oosal is Maharastrian dish made of beans such as Matki, Moong or Hyacinth bean etc. Generally the beans are soaked in water and allowed to sprout. The sprouted beans are stir fried along with onions, spices and curry leaves in oil. Little water is put to cook the sprouts. It usually has a thick gravy. The use of spices vary according to the sprouts used and according to taste.