- firstly, soak idli rice and methi seeds for 5 hours. 
- in a blender take soaked rice, add thin poha and coconut. 
- add water as required and blend to smooth batter. 
- to activate yeast, in a large bowl take warm water, dry yeast and sugar. 
- rest for 5 minutes. 
- now transfer the blended batter into the yeast water. 
- mix well and ferment the batter for 8 hours. 
- mix the batter slightly. 
- also add salt as and water. 
- the batter has to be in flowing consistency. 
- now, pour a ladleful of aapam batter on to the medium hot pan 
- immediately, rotate and spread. 
- cover and simmer till the appam gets cooked well completely in presence of steam. 
- finally, serve kerala style appam with chutney / kadala curry.