- Soak the rice for 4-5 hrs. Soak poha in enough water for 1/2 hr. Grind soaked rice in wet grinder. Add poha, curd and salt and grind into very smooth paste. Remove it and let it ferment for 16 - 18 hours. Add finely chopped onions, sweet corn, green chilli paste,chopped coriander to it and mix well. Add cooking soda with a tsp of water in a ladle and mix in the water and mix properly. Heat the gunta ponganalu pan and add 1/4-1/2tsp of oil in it. When it is hot enough pour the batter using a spoon until it covers 3/4 th gunta and cover it with a lid. Let it roast on medium flame until golden brown in color. Serve hot.