Sri Lankan roasted curry powder (Kalu Kudu, meaning "black powder") is the secret behind the dark, rich, and deeply savory curries of the island. Unlike typical curry powders which are light and yellow due to turmeric, the Sri Lankan roasted blend undergoes a slow-toasting process that darkens the spices, caramelizing their oils and creating a robust, smoky profile.
The key components of this blend are coriander seeds (the base), cumin seeds (for warmth), fennel seeds (for sweetness), black pepper (for heat), and spices like cloves, cardamoms, cinnamon, and curry leaves. The trick is to roast each spice separately, as they have different oil contents and burning points. Roast coriander seeds until they turn deep golden brown, cumin and fennel until aromatic, and curry leaves until brittle. Let them cool completely before grinding into a fine powder. Store in an airtight glass jar and use it to elevate beef, chicken, or jackfruit curries.