Masala Uttapam is a flavorful and spicy variation of Uttapam, where a spicy potato filling is added to the batter. The potato filling is made by sautéing boiled and mashed potatoes with onions, green chilies, ginger, and spices. To make Masala Uttapam, the batter is prepared by grinding soaked rice and lentils, and then mixed with the potato filling. The batter is spread on a hot griddle and cooked until crispy. Masala Uttapam is usually served with coconut chutney and sambar. It is a popular street food in South India and is loved for its spicy and tangy flavors.