Wash the mustard leaves. Separate the leaves from the stems.
Discard the stems and finely chop the leaves.
Wash the spinach leaves. Finely chop them.
Wash and peel the radish. Grate it.
In a wide-bottomed pan, put the chopped mustard leaves, spinach and grated radish.
Make a coarse paste of ginger, garlic and green chillies. Add it to the pan.
Cook on high heat for about 15 minutes. Mix from time to time.
Now, add maize flour and salt and mix it.
Using a masher, mash the leaves and flour well. Add water and mash well.
Reduce the heat to medium. Cover with a lid and cook for another 10-12 minutes. Mix from time to time so that it doesn't stick to the base.
Prepare the first tempering by heating oil and ghee in a pan. Add cumin seeds and green chillies. Fry them on medium heat for about 30 seconds.
Then, add finely chopped onion. Fry on medium heat till the onion turns slightly brown.
Add this to the mashed greens. Mix well. Taste and adjust the salt.
Transfer this to a serving bowl.
Prepare the second tempering by heating ghee in a pan.
Add asafoetida, ginger, and garlic. Fry till they turn slightly brown.
Add dry red chillies. Fry on medium heat.
Put this tempering on the saag and serve hot with Whole wheat Roti/Makki Ki Roti.