Take one bowl add hung curd grated coconut coriander leaves,green chilli and salt in it.

Mix all ingredients properly.

Take a slice of bread and cut all corners of bread and spread paste on it cover it with another slice of bread.

Take a non stick tawa put 1 tsp oil for tadka add mustard seeds and curry leaves when it heat up slow the flame of gas and put sandwich on it.

And bake it golden brown at both sides of bread.

Serve it with tomato sauce