Heat vegetable oil in a pan over medium-high heat. Once the oil is hot, add cumin seeds and let them crackle for 3-4 seconds.
Add garlic and green chili and saute for 30 seconds.
Add onions and cook until they become translucent (2-3 minutes).
Now add the cubed potatoes and mix well.
Cover the pan with a lid. Cook on low heat until the potatoes are tender (10-12 minutes).
Add tomatoes and salt and cook for 2-3 minutes until the tomatoes are mushy.
Add coriander powder, turmeric powder, and red pepper flakes and saute for another minute.
Now add the chopped spinach and mix everything well. Cover the pan and cook for 3-4 minutes on medium heat.
Remove the lid and mix everything well. Serve hot.
You can use any vegetable oilor even mustard oil to make this sabzi. You can even choose ghee/clarified butter, for a richer taste.Use sweet potatoes instead of regular potatoes, for a healthier version.Adjust the amount of green chiliesas per your taste.