Ilish Er Tel Jhol is a runny Hilsa gravy scented with kalonji and turmeric powder. This gravy is spiked with green chillies and finished with a generous drizzle of mustard oil. The mustard oil in the recipe brings out the flavour of the dish and increases the taste too. It is easy to make and takes very few ingredients to prepare. This is a perfect recipe when you want to eat something delicious yet requires less effort to make.