Firstly mash boiled potatoes into a large mixing bowl.

Futher add chilli powder, garam masala, salt, chopped onion and chopped fresh coriander. Mix it well.

Now take a bread and spread potato masala and cover with other bread.

Heat grill pan and roast sandwich from both sides until golden brown upon on medium low flame.

Now cut sandwich from center.

Finally ready potato masala sandwiches to serve with tomato sauce or green chutney.