Grind soaked urad dhal, red chili, ash gourd, onion into thick fine batter without adding water
Add asafoetida, salt, mix well
Spread a cloth on the terrace
Take a handful of batter and arrange them over the cloth into small pieces randomly
Cover it with a plastic cover, so that dust does not deposit over the vadam
Allow it to dry in direct sunlight for 3~4 days or until the vadam is light and dry
Store it in a dry container
Heat oil in a pan
Fry the vadam, add it to koottu or kozhambu when it is super hot