Heat little oil in a pressure cooker.

Splutter mustard seeds.

Fry onion and capsicum for 3 - 4 mins.

Add chopped tomato and mix well.

Pressure cook the same on a medium flame up to 1 whistle.

:- Do not add water. Remove from flame.

When cool, open the cooker.Add coriander powder, chilly powder and groundnut paste into the mixture & heat it for some more time. :- Serve hot with chappathis. :- Taste of any vegetable lies when it is cooked on a low flame without adding water. :- You can add coconut instead of groundnut paste.