Onion Uttapam is a simple yet delicious variation of Uttapam that is made with a generous amount of finely chopped onions. The onions are mixed with the Uttapam batter and cooked on a griddle until golden brown and crispy. The natural sweetness of the onions adds a wonderful flavor to the dish. Onion Uttapam is a popular choice for breakfast or brunch and is often served with coconut chutney and sambar. It is a filling and satisfying dish that can be enjoyed by everyone.