Take a pan and add oil. Now add saunf,green chill fry few second

Now add onion and fry 2 min. Now add corn & mix well. cover and cook for 2 min

After 2 min add all dry masale and mix well.

Add boiled potatoes and mix well and add coriander

Now apply sauce on bread slice(you also apply green chutney). Apply masala.again repeat the process. Apply butter on top

Girll both side for 2 min on low flame till golden colour

Ready to sandwich