Bengal is the region that includes Kolkatta, or Calcutta as was then called, which was the centre of the British administration. Most of the time the family was in India this is where they called home.
In that time Bengal included Bangladesh. The west Bengali and Bangladeshi cuisine are the bases of much of what the Raj loved about Indian food. For many of them and their descendants, this is comfort food.
This recipe for bhuna gorur mangsho produces a dish that is rich and intense in character from the caramelisation of the onions and the frying of the spices. The meat cooks in its own juices, giving the dish a deep flavour.