A good breakfast option it is low on calories and high on iron, phosphorus and dietary fibers. The curds makes it easy on the stomach. A great starter or a cold appetizer, Dahi Wada, is a popular North Indian street food fare. Basically, dahi vadas are lentil (black gram/urad dal) based savory balls which are smothered with frothy fresh curds and sprinkled with spices like chilli powder, cumin powder, chaat masala or black salt and liberally doused with a tangy-sweet tamarind chutney.