Easy And Tasty South Indian Spot Idli Recipe On Tawa

    1 tbsp oil
   2 tbsp onion, finely chopped
   ½ tsp ginger, finely chopped
   1 chilli, finely chopped
   1 tsp coriander, finely chopped
   2 tbsp tomato, chopped
   1 tsp curry leaves, chopped
   2 tsp milagai podi
   1 tsp butter
   1 bowl idli batter
   Butter, for roasting
   Ingredients for milagai podi
   2 tsp oil
   ¾ cup chana dal
   1 cup urad dal
   ¼ cup sesame seeds
   1 tsp oil
   20 dried red chilli
   A handful curry leaves
   Lemon sized tamarind
   2 tsp jaggery
   1½ tsp salt
   1 tsp turmeric