A dosa is a rice pancake, originating from South India, made from a fermented batter. It is somewhat similar to a crepe in appearance. Its main ingredients are rice and black gram, ground together in a fine, smooth batter with a dash of salt. Dosas are a typical part diets throughout South India, but the dish is now popular all over the Indian subcontinent. Traditionally, dosas are served hot along with sambar and chutney. They can be consumed with idli podi as well.

Ingredients
Par-boiled rice - 3 cups
Raw rice - 1 cup
Urad dal - 3/4 cup
Fugreek - 1 tsp
Salt to taste 
Cooking oil

Dosa can be stuffed with fillings of vegetables and sauces to make a quick meal. They are typicallyserved with a vegetarian side dish which varies according to regional and personal preferences.

Common side items are:
Sambar
Chutney: examples include coconut chutney (a semi-solid paste made up of coconut, dal (lentils), green chilli and mint or coriander). There are varieties of chutney served along with DosaIdli podi or milagaipodi (in Tamil): a powder of chili with spices and sometimes desiccated coconut, mixed with sesame oil or groundnut oil or ghee. Indian pickles

The most popular version is the masala dosa, with a filling of the potato masala. Mysore masala is the spicier version of it. Sada (plain) is without filling; paper dosa is a thin and crisp version. Rava dosa is made crispier using semolina. Newer recipes have been developed that use fusion, like Chinese dosa, cheese dosa, paneer dosa and many more.Though dosa typically refers to the version made with rice and lentils, many other versions exist.