Wash and soak masoor dal and moong dal for 30 minutes.
After 30 minutes, drain the water.
Transfer soaked dal to a pressure cooker.
Add 2 cups of water and cook for 4 to 5 whistles.
Open the pressure cooker once the steam escapes completely.
Keep cooked dal aside.
Now, chop spinach, onion, tomato, garlic, green chillies and keep them aside.
Heat 1 tbsp oil in a pan.
Add cumin seeds, mustard seeds and asafoetida.
When the seeds start spluttering, add chopped garlic.
Saute till the garlic starts changing its colour.
Add chopped onions. Saute till onions become golden brown.
Add chopped green chillies and chopped tomatoes.
Saute till the tomato turns mushy.
Add chopped palak.
Saute and cook for few minutes.
Add ½ tsp turmeric powder, red chilly powder, cumin-coriander powder, garam masala and mix well.
Add cooked dal and mix.
Add salt as per taste.
Cover and cook for few minutes.
Turn off the heat and garnish with chopped coriander leaves.
For tempering, heat 1 tbsp oil in a small pan.
Add chopped garlic, asafoetida, dry red chillies and red chilly powder.
Pour this tempering into palak dal.
Serve palak dal with steamed rice.