Rice Dosa is a popular South Indian breakfast dish made with fermented rice and lentil batter. It is a thin and crispy pancake-like crepe that is served with chutney and sambar. The batter is made by soaking rice and lentils overnight, then grinding them into a smooth paste and fermenting it overnight. Rice dosa is a versatile dish that can be enjoyed plain or with various fillings like potato masala or cheese.