To make the vada paste ,take the boiled mashed potatoes in a big plate
add salt
Add chopped corainder leaves
Add turmeric powder
Add coriander powder(Dont Mix till tempered)
For tempering the vada paste,Heat Oil in a Temper pan or kadai,
wait untill properly heated add urad dal
wait till it becomes golden brown now add mustard seeds
Add jeera
chopped green chilles
Add crushed and chopped garlic
Add curry leaves
mix well for 20 secs or so
remove from heat and add the same tempering in the Vada paste which we prepared
Now mix the vada paste very well and make medium size flat balls and keep aside.
Keep the kadai on the flame taking adequate oil for deep frying
For Besan paste take the besan in a bowl,add salt
Add turmeric powder
Add Coriander powder
Add Red Chilli powder
Add Soda Bi carb and mix well adding water gradually
make a smooth free flowing thick paste,
Now take the potato ball one at a time dip it gently with light hands,make sure the besan mixture is coated well and put in the kadai kept for deep frying
Keep the flame medium,repeat the proceedure adding 3-4 vadas for deep frying at a time depending on the size of your kadai.Flip the vadas and let them turn golden brown