Peyaj shak er tel jhal/bengali style spring onion curry is an authentic style bengali dish. Tel jhal is a type of method where cooking should be done on the bed of oil with no water or very less amount of water. This is a dish usually cooked during the winter season when there is a lot of production of fresh spring onions and brinjal. Slice of potato and brinjal has to be thin so that it cooks faster.