Kalathappam is a traditional rice cake from the Malabar region of Kerala, India. It is made with fermented rice batter, coconut, jaggery, and spices. The batter is poured into a pan and cooked until it becomes a soft and spongy cake. Kalathappam has a unique flavor and texture, with the sweetness of jaggery and the aroma of coconut. It is often served as a snack or dessert during festivals and special occasions.