Wash all dal together 2-3 times with water. If you want you can soak all the dal while you prepare for your green paste.
Take dal in a pressure cooker add few drops of oil and cook it.
Roughly chop spinach, corriander, mint leaves and chillies. Remove skin of tomato and cut it in big pieces.
In a mixer jar take all cut and chopped veggies, ginger and cumin seeds (cumin seeds are optional in a paste) and blend them together. Make a smooth paste.
Heat oil/ghee in a pan add cumin seeds once it crackles , add green paste and cook it for 2-3 minutes.
Now add cooked dal into it. Add salt to taste and cook it for 5 minutes.
Switch off the stove and add lemon juice. Mix it well.
Take it in serving bowl, garnish with mint and/or corriander leaves.