Soak tapioca for some hours and peel the outer skin and take the given amount for the recipe and grate them with a grater.

In-between soak bengal gram dal with Aniseed and red chillies for 2 hours.

Then after its soaked well drain them without any water before grinding.

Grind dal, sombu ,chillies, salt, curry leaves ,ginger and garlic once to make them coarsely done.

After that add the goated tapioca to this dal mixture and grind them without adding water to a coarse mixture.

No need to grind it smooth check for salt and if needed add, then mix in some cashews-onion mix well and keep.

Now heat a kadai with oil and when its hot make vadai’s like we make for masala vadai.

Take a ball of batter press between two palms and drop it in oil.

Do the same for all and fry it till golden.

Adjust the flame then and there till vadai’s are all cooked inside.

Take out in a tissue and serve hot.