Onion Chutney

Onion - 1, medium, chopped
Red Chillies - 3 long
Tamarind - pebble sized.
Brown Sugar - to taste
Salt to taste
Oil - 1 tsp
Urad Dal - 1 tbsp

Tempering
Mustard seeds + Urad dal - 3/4 tsp
Curry leaves few

Method to prepare:
Heat a pan with little oil and fry the urad dal, chopped onion, red chillies. Once its nicely browned, remove and let it cool.
Grind to a smooth paste along with salt, tamarind and sugar. Temper it with mustard seeds, urad dal and curry leaves with the remaining oil.