Heat oil in a pan on medium flame. When hot, add cumin, chopped green chilies, and dry red chilies. Let the cumin crackle. Add a pinch of asafoetida and saute for 5 seconds.
Add sliced onions and curry leaves and saute till onions turn soft.
Next, add ginger garlic paste and saute till the raw smell goes away.
Add turmeric powder and saute for 10 seconds.
Add the soaked dal without water and mix well. Stir for 5 seconds.
Next, add the chopped spinach leaves and fry until the leaves shrink.
Add salt and give a good mix.
Cover the pan and simmer on low flame for 10-15 mins. Stir in between.
After 10 minutes, check the dal. If it's soft but not mushy, cook uncovered till the water is dried.
Add red chili powder and mix well. Continue to cook on low flame for 2-3 minutes.
Lastly, add coriander leaves.
Spinach Moong Dal fry is ready to serve.