Onion, tomato chutney

Onion 2 big                    tomatoes        3-4            red chilies 4-6 as per taste      
tamarind 1 tsp paste or small marble size           mustard seeds 1 tsp           udad dal 4 tsp
hing little            coriander leaves 2-3 tbsp chopped          salt       oil 1 tsp    garlic pearls 4 (Optional)
coconut 2 tbsp

Method
In a pan, add 1/2 tsp oil, add mustard seeds, udad dal, once mustard seeds crackles & dal turns golden, add chilies, hing & garlic, saute a little & put this on top of tamarind.
In the same pan, add the rest of the oil, add chopped onion & tomatoes, little salt, saute till onion turns transparent & tomatoes are slightly cooked.
Remove, cool.
First coarsely grind the mustard seeds, dal & chilies, then add onion, tomatoes, coriander leaves & coconut with salt to taste. grind well.

This chutney goes well with idlis, dosai, adai, can be had with rice, roti.