- Dry-roast cumin seeds and fennel seeds in a non-stick pan till golden brown. Heat a deep non-stick pan. Add dates, tamarind, jaggery powder, chilli powder, ginger powder, roasted cumin seeds-fen- nel seeds and 4 cups water, mix and cook for 1-2 minutes. Add salt, mix and cook for 15-20 minutes or till the mixture becomes soft and pulpy. Remove from heat and cool. Blend the tamarind mixture into a fine puree and strain in a bowl. Use as required.