Boil the potatoes.Heat oil in a pan and add mustard seeds. When the seeds start to crackle, add curry leaves along with paste of ginger, garlic and green chillies.
Add Turmeric Powder, Red Chilli Powder, Heeng (Asafoetida) and Salt to the pan.
Mash the boiled potatoes and add this mixture to them.
Mix everything well to coat the potatoes with the spices.
Take gram flour in a mixing bowl and add Salt, Red Chilli Powder & Turmeric Powder to the mixture.
Add roughly 1/2 cup water slowly to get a batter of coating consistency.
Heat oil in a pan for frying. Make small balls of the potato filling and dip them in the batter.
Then fry the balls on medium-high flame till they turn golden brown.
After frying, drain the vadas on an absorbent paper to drain the excess oil.
To assemble, slice the Pav buns in half and lightly toast them in butter. Spread the Green Chutney, Tamarind Chutney and Garlic Chutney on the pav and place the prepared Batata Vada in between. Place roasted green chilli.Vada Pav is ready. Serve it hot.
