Masala Appam is a savory variation of the traditional appam. It is made by adding spices and vegetables to the appam batter. To make Masala Appam using a food processor, grind soaked rice, grated coconut, and spices together to form a smooth batter. Add finely chopped onions, green chilies, and other vegetables of your choice to the batter. Ferment the batter and cook it in a special appam pan. Serve hot with tomato chutney or coconut chutney.