Firstly add oil to the pan, when oil is hot add mustard seeds, urad dal, and red chilli; let them splutter

Furthermore, add asafoetida and mix well; transfer to a vessel

Add oil to the same pan

When oil turns slightly hot add cumin seeds and let them splutter

Furthermore add ginger, coriander leaves, spinach, turmeric powder, a pinch of sugar, and required salt; mix well

Cook for 2 minutes or till spinach turn wilted

Turn off the stove and cool completely

Coarse pulse the spinach along with water. If you prefer smooth masiyal you can fine grind

Add coarse ground spinach, temper, and mix well

Cook in low flame for 2 minutes

Finally, add asafoetida; mix well and keerai kadayal is ready