Instant vada with dosa batter is a quick and easy recipe that transforms leftover dosa batter into crispy and delicious vadas. The dosa batter is mixed with spices, onions, and coriander leaves to create a flavorful mixture. The vadas are then deep-fried until golden brown and served hot with coconut chutney or sambar. This recipe is perfect for breakfast or as a snack with tea or coffee.