Marinated in spiced yoghurt, Kashmiri chillies, and garlic, then roasted over roaring tandoor charcoal embers with charred edges.
Rinse and soak the chana dal for 2 hours, then drain completely.
Coarsely grind the dal with the red chilies, fennel seeds, ginger, and salt, using as little water as possible.
Fold the chopped onion and curry leaves into the ground mixture.
Wet your palms and shape small portions into flat, round patties.
Deep-fry the patties in hot oil over medium heat until crisp and golden on both sides.
Drain on paper and serve hot with coconut chutney.