Heat a pan and pour in 1 tbsp oil in it.
Once the oil is hot add asafetida, ginger garlic paste and on low flame sauté it for a minute.
Add crushed corn and stir continuously to avoid it sticking to the pan. Cook for 2 minutes. Turn the flame off.
Now add turmeric powder, red chili powder, garam masala, chopped green chilies, chaat masala, and salt to taste.
Next, add roasted gram flour, mix well with the pan mixture.
Now add chopped spinach, finely chopped coriander leaves and a pinch of salt. Mix all ingredients well.
Transfer the mixture from the pan to a mixing bowl and add mashed potatoes. Blend well.
Now we will ready the vadas, grease your palm with oil. Take a handful of the mixture, roll it into your palms.
Using your finger, dig a hole, and make it look like a donut.
Now you can toss the donut-shaped Palak vada into the sesame seeds bowl and press it gently.
Similarly, prepare more vadas.
Heat oil in a pan for deep frying.
Once it is of right temperature, gently slide in the vada into the oil.
In medium hot oil let it cook well from inside out.
Fry until golden brown from both the sides.
Take them out in a kitchen towel lined plate.