Ingredients:White till nylon (vella ellu) – 100g
Red chilly – 1/2 tumbler
Channa dal – 1/2 tumbler
Urad dhal – 1/2 tumbler
asafoetida – 1/2 tsp

Method

Soak the nylon seeds for around 15min to 1/2 hour.

Dry it for around 1/2 hour

Fry the nylon seeds till all the moisture evaporates and a smell comes

Fry the dhal seperately in a dry tawa with asafoetida

Add the red chilly when the dal become dark brown

Again fry for 1/2 a minute

Grind along with table salt into a fine powder

http://indian-curries.sulekha.com/blog/post/2008/08/idli-podi.htm