Soak urad dal and grind a smooth paste.
In a mixing bowl add urad dal paste, oats, onion, green chilli, salt, kasuri methi, red chilli & Chaat masala
Mix it well all the ingredients (no need to add water)
Heat oil in a wok pour small small amount of mixture in a hot oil and fry till golden colour or until crispy.
Sprinkle some more chaat masala.
Serve hot with chai
