In a mixing bowl, take the mashed potatoes and mix onions, ginger, green chilli, pepper powder, red chilli flakes, coriander leaves, salt, boiled corn and grated cheese.
Mix everything together until combined.
Pinch a ball and flatten it.
Place a cheese cube in centre, pack it and make balls.
prepare all the balls.
Mix flour, salt and water to a slurry.
dip the cheese balls in flour slurry followed by rolling in bread crumbs.
repeat the process. dip in flour slurry, roll in crumbs. keep all the coated balls ready and freeze for 1 hour.
heat oil and deep fry the balls in medium heat. Keep turning sides until all sides are golden.
take out, strain the excess oil and serve hot with mayo and tomato sauce.