Add cumin, asafoetida, curry leaves, dried red chillies and crushed garlic.
Fry garlic 1 minute. Turn off heat. Add red chilli powder.
Pour tempering over dal. Garnish with coriander.
Stack the cooked flatbreads and keep them covered with a clean kitchen cloth to retain their warmth and softness until serving. Serve with the accompaniments while still warm — flatbreads lose their best texture as they cool.