- Add sauted mint coriander leaves, coconut, ginger, roasted gram, green chilli, salt in a mixer jar coarsely grind with ¼ cup of water. In a bowl add dosa batter, oats, coriander chutney mix well. Heat iron dosa tawa pour oats coriander batter mixture, pour 1 tbsp of oil around the uthappam, cover lid & cook for both sides Then Serve hot with coconut chutney.