SLOW COOKER METHOD: Add this prepared masala + rinsed and drained lentils(without cooking) + salt + (4 cups) of water and cook it on low heat for 8 hours.
POT METHOD Rinse the lentils and add it to a pot with 3 cups of water + salt + masala. Bring it to a boil. Turn the heat to low and let it simmer for 30 minutes or so till the lentil cooks.
If the liquid is more, reduce the heat to low or medium and let the curry simmer for gravy to thicken or add additional warm water to liquify the gravy.
The amount of water changes depending upon the cooking methods and presoaking.