Spices are used in different forms-whole, chopped, ground, roasted, sauteed, fried and as topping. They blend food to extract the nutrients and bind them in a palatable form. Some spices are added at the end as a flavouring and are typically heated in a pan with ghee or cooking oil before being added to a dish.Lighter spices are added last, and spices with strong flavour should be added first.ndian spices include a variety of spices grown across the Indian subcontinent (a sub-region of South Asia).