Boil the sweet potatoes and potatoes .

Peel and mash them.

Heat a tsp oil and fry garlic and green chilly , add to the mashed potatoes.

Add chopped coriander, toasted coconut , soya sauce, lemon juice , salt and pepper .

With lightly floured hands , form the mixture into small balls .

Flatten these and roll in sesame seeds, make sure the seeds stick well .

Shallow fry till light and golden .