- Take all the chopped vegetables in a bowl. chopped vegetables, grated coconut & chillies in a mixing bowl Add rice flour, salt, sugar, 2 teaspoons oil and mix well. To the flour add warm water as needed and make soft dough. Next take a big piece of banana leaf and apply oil generously. Take a big orange sized portion from the dough and place on the banana leaf. Pat with your hands to make a thin roti. Wet your fingers for easy spreading. Heat a tava and once the tava is hot spread some oil. Place the banana leaf over the tava. Let cook for minute. gently pull off the banana leaf. Flip very gently and cook till the rotis are done. Serve hot with chutney.