Uralai-kathrikai fry (potato-brinjal fry)

This is a Andhra dish that I learnt from my neighbor.It goes well with sambhar or curd rice.

Potatoes-2 peeled and cubed

brinjal -4 cubed
onion-1 chopped
oil- 3 tsp
salt - to taste
mustard seeds- 1/4 tsp
jeera-1/4 tsp

To grind:
grated coconut - 5tsp
red chillies- 5
vendhayam/methi seeds-1/4 tsp
channa dal - 1tbsp
curry leaves- 6
Roast the above ingredients and grind it.( without water).

Method:
Boil potatoes with salt in a pan for 6 minutes. It must not get mashed.
Heat oil in a non stick pan.When hot add mustard seeds, jeera.
When it splutters add onions and brinjals.Saute for 2 minutes. Sprinkle  2tsp water and little salt.
Cover and cook for 3-4 minutes.Now add potatoes and ground mixture and little salt.
Saute for 6-7 minutes until the masala has coated on the vegetables.
Serve hot.