Boil the Potatoes in Salted Water and remove
Heat Oil and add the Onions followed by the Cumin & Mustard seeds
Add the Green Chillies and Curry Leaves
Add the Turmeric, Chilli and Cumin powder
Add the Ginger & Garlic paste
Add the Potatoes and allow it to absorb the spices
Add the Water & Salt to taste
Using a Potato masher, just mash the mixture
Add the Coriander
When cool to handle form into small balls
Cut the crusts off the bread
Lightly dip each slice in the bread very briskly - they need to be damp not soaking wet, add the potato ball in.
The centre and using the palm of your hand cup it and close the bread all around the potato ball to seal and keep aside
Dip the balls in some flour paste - this is just flour and water mixed together
With a dry hand, coat it in the breadcrumbs
Deep fry in hot oil and drain on some kitchen towel