Tamarind Chutney (Imli Ki Chutney)
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200 gms tamarind (remove seeds)
100 gms dates (pitted)
150 gms jaggery [can buy palm sugar]
2 cups water
1 tsp fennel
1 tsp cumin seeds (roast and grind coarsely)
1 tsp salt
Red chilli powder as per taste

- Put the tamarind, dates, jaggery and water in a saucepan and cook on a 
  medium flame till the dates and tamarind are soft.
- Turn off flame and allow the mixture to cool.
- Use a food processor or hand blender to blend mixture together into a 
  smooth sauce.
- Put sauce back into the saucepan and onto a medium flame and add 
  remaining spice ingredients.
- Bring the sauce to a boil and turn off.
- Allow to cool, then chill and serve.

From: About.com: Indian Food