Pressure cook the soya chunks to one whistle. Cut the potatoes into half and pressure cook the potatoes for a whistle and five minutes till done.
Drain the soya chunks and wash well in sufficient water for the smell to go.
Squeeze the chunks well to drain excess water. Mince in the grinder.
Peel the cooked potatoes, mash it up without lumps and add it to the soya mince.
Add the remaining ingredients from onion to salt and mix well to incorporate. Make into round patties, dip in the beaten egg and roll in the breadcrumbs.
Heat oil in a frying pan and deep fry the cutlets till done. Serve hot with ketchup or chilli sauce.