Idiyappam recipe with step by step pics. Idiyappam also known as Nool puttu are string hoppers. Basically these are sevai or seviyan made with rice flour dough. Idiyappam along with Puttu and Appam are a common breakfast in Kerala. This idiyappam recipe gives you soft and smooth idiyappam which tastes very good with a curry or kurma or any side dish of your choice.