firstly in a cooker heat 2 tbsp oil and saute ½ onion.
also saute 1 inch ginger and 1 green chilli.
additionally saute 1 tomato till it turns soft and mushy.
add in ¼ tsp turmeric, ½ tsp chilli powder, 1 tsp salt and saute.
now add ¾ cup washed moong-dal and 3 cup water.
mix well making sure everything is combined well.
cover and pressure cook on medium flame for 1-2 whistles.
open and check the dal once pressure is released. do not mash.
now prepare the tadka and pour the tempering over dal along with 2 tbsp coriander leaves and 1 tbsp lemon juice.
finally, mix the moong-dal tadka and serve with hot rice / roti.