Cut onion, tomatoes and green chillies in a bowl and add salt, red chilli powder, black pepper and coriander leaves to it and mix it well.

Take a bread and put some oil to it and spread the mixture on it and the put other bread piece on it.

Take tawa on gas stove and put that set of bread you made on it keep till the side turns little golden brown and then turn it to other side.

When both sides turn out to be golden brown take it on plate and serve with tomato sauce or mint coriander chutney.