Take bowl put urad dal,and fenugreek seeds pour water leave 5 to 6 hours it should soak that
Then drain water rinse wisely then transfer dal into blender make fine semi liquid kind batter
Mean while take another bowl put steam rice ravva pour water wash properly then take a white cloth put washed rava drain water full it should be wet rava but not watery
Then assemble urad dal paste into rava close lid leave overnight it should be fermentation after that add salt,baking soda mix well take thatta mean deep shaped bowl pour batter this bowl put into a steamer
Steam at 15 to 20 mins once it fully steamed take a tooth pic check if it non sticky means perfectly steamed take a serving plate turn up thatta kudum leaves thatta freely comes out
Serve with red green chutney ready to serve oil free thatta kudum garnish with spring onion
