Take a bowl, add mashed potatoes to it
Add chopped onions, Coriander leaves, chilli powder, ginger garlic paste, lemon juice to it
Now..Make the bread slices to fine powder
Add this to the bowl
Add required salt
Mix everything well and make it into small balls
Now make a batter of all purpose flour and water and dip the potato balls in it..then coat it in bread crumbs
Fry these balls in oil until it comes golden brown in colour
Serve it with ketchup or mayonnaise