Wash and soak the chana dal for 3 hours in water.
Meanwhile chop the onions, green chili, ginger, coriander leaves and curry leaves and keep it aside.
After 3 hours, add 1 red chili and fennel seeds to the jar and grind it. Followed by adding the soaked chana dal and coarsely grind it without adding any water.
Transfer the grinded dal to a bowl and add the chopped onions, ginger, green chili, coriander leaves and curry leaves. Mix it well and add salt as per your taste.
Once you have mixed well, start shaping the Vada’s. Take a small portion of the dal and shape it to a ball and then flatten it a little (refer video)
Heat a wok or kadai with some oil for deep frying. When the oil is heated add the vada gently into the oil and deep fry it.
Flip it occasionally until you achieve golden brown color on both the sides.
Transfer the vada's to a kitchen towel once done to remove the excess oil.
Serve the Keerai Masal Vada with a cup of tea or coconut chutney.