Heat up a pan or a kadai.
Add fenugreek seeds and stir for a sec.
Add grated coconut, red chillies and coriander seeds and fry for a while, till they turn red in colour.
:- If u`re using powders, then add them only after the coconut has been roasted and before you switch off the flame.
Allow the above roasted mixture to cool.
Grind it in a mixer grinder along with enough water into a smooth paste.
Heat oil in a pan or a kadai.
Splutter mustard seeds and saute dry red chillies and curry leaves.
Add sliced onions and saute, till they turn golden brown in colour.
Add turmeric powder and saute again.
Add tamarind extract and mix well.
Allow it to boil.
When the first boil comes up, add the coconut paste and salt.
Mix well the whole contents.
Simmer it for a while.
When the required consistency is reached (which is neither too thick nor too thin), remove from the flame.
:- Serve the tasty dish with rice.