Slice the Onions and make rings from it.
Mashed the potato in a bowl
Add the chopped coriander leaf, chat masala, black pepper powder, cheese , salt and mix it well
Take a big onion ring and a small onion ring and stuff the potato mixture between them to make a big ring.
Make all the rings.
Now it another bowl add water and cornflour and make a thick batter.
Now dip the rings in the batter and coat it.
Fry the coated rings in medium hot oil until golden brown colour become.
Serve the hot onion potato rings with mayo dip.