Bhapa Ilish means ‘Steamed Hilsa’ , where BHAPA represents ‘STEAMING’.
It is a classic Bengali preparation where fresh Ilish/hilsa is marinated in mustard seed paste , along with turmeric, green chili, salt and a liberal dousing of mustard oil , and then steamed in a stainless steel tiffin box or covered pot.
Bhapa ilish can be prepared in pressure cooker, steamer , or even in a microwave oven.