Ingredients
2 cups of frozen, thawed chopped spinach
1/2 cup of toor dal
1/2 cup frozen green peas,thawed
1 small onion, chopped
2 small tomatoes, chopped
1 tsp mustard seeds
1 tsp cumin seeds
1 tsp ginger paste
1 tsp garlic paste
1 tsp red chilli powder
1/2 tsp turmeric powder
1-2 tsp each dhania-jeera (coriander-cumin), freshly roasted
and powdered
1/2 tsp amchoor (mango powder)
1/2 tsp black peppercorns, freshly powdered 
4 green chillies, slit
Salt to taste
2 tbsp cooking oil or ghee (clarified butter)

Method
Wash the dal and pressure cook with 1 cup of water
till soft and mushy.
Heat the oil and add the cumin/mustard.
When they start crackling, add the slit green chillies
and ginger/garlic paste.
Add the onions after a minute and fry till the onions
turn color.
Add the tomatoes and fry till they become soft.
Now add all the dry powders and mix well.
Fry for about a minute.
Add the spinach, peas and the cooked dal.
Mix in salt to taste.
Add 1 cup of water and let it come to a boil on a 
low flame.
Remove and serve immediately.

Note: To save time, I pressure cook large amounts 
of dal at a time and refrigerate it. Also make the
powders ahead of time and store them in airtight
containers. You can also use ready made ginger and 
garlic paste to quicken the time to make this dish.