Heat up the pan, add mustard oil, let it heat up till fumes starts. (We need to burn mustard oil before cooking)
Add cumin seeds, asafoetida and dry whole red chillies saute well in mustard oil.
Then add chopped garlic and sliced onions and saute it well too.
Add turmeric powder and red chilli powder and mix it well along with onions

Then add chopped spinach, and cook it along with spices onions.
Then add into sliced tomato and salt to taste.

Cover and cook till 5 minutes.
And it's ready to be served.
You can add more ghee garlic tadka on top if you want.

You can have it along with roti, fulka or bhakri.
Do try it and enjoy.