Clean and cut tapioca into big pieces and cook it till it is done.

Add salt to it and drain the remaining water.

Make a paste out of small onions and chillies.

After making the paste, remove it to a small bowl and mix it with coconut oil and viniger and add salt to taste.

:- You can use red chilly powder as well as kanthari mulaku(cheene mulaku) instead of green chillies.