Tomato Onion Kothsu / Pachadi / Masiyal - Easy side dish for Idli / Dosa

Ingredients

Chopped Tomatoes      : 1 cup
Chopped onion             :1/2 cup
Red chilly                      : 1
Red chilly powder          : 1/2 tsp
Turmeric powder
Salt
Oil
Curry leaves 

Method

Heat 2 tsp oil in a kadai,add mustard seeds,broken red chilly,curry leaves and fry.
Add chopped onion,chopped tomato and fry. 
Add salt,turmeric powder,red chilly powder and stir for few minutes.
Add 1/4 cup water and let it boil.
When it is almost thick switch off the flame.
Serve hot with idli / Dosa..