firstly, crumble 5 idli in a large bowl. make sure to take leftover idli as it is easy to crumble. i have taken idli with idli rava. keep aside.
now in a large kadai heat 1 tbsp coconut oil.
once the oil is hot add 1 tsp mustard, 1 tsp urad dal, 1 tsp chana dal, ¼ tsp cumin, 1 dried red chilli, few curry leaves and 1 green chilli.
saute and allow to splutter.
further, add crumbled idli and mix gently.
add 2 tbsp fresh grated coconut.
cover and simmer for 3 minutes or till upma get cooked completely.
now add 2 tbsp coriander and 1 tsp lemon juice. mix well.
finally, serve idli upma along with chutney or pack to your lunch box.