Many of the spices are native to the region of Bangladesh, while the others were imported from similar climates and have since been cultivated locally for centuries.
[1] Spices are typically heated in a pan with ghee or cooking oil before being added to a dish.
Curry is not a spice, but a term which refers to any side dish in Bangladeshi cuisine.
A curry typically contains several spices blended together.
Below is a list of spices and other flavoring substances commonly used in Bangladesh.