Goan dal ros with onion

1/4 cup arhar dal
1 onion finely chopped
2/3 cup coconut grated into fine paste
1 tsp garam masala
1 tbsp  coriander
salt to taste
1 tsp oil
1 grated tomato
lemon sized tamirind soaked in water
2 slit green chillies

wash the arhar dal and soak. add salt haldi and water  and half onion, green chillies, tomato and boil the dal.
one whistle on high and three on sim.
turn off the heat.
heat 1 tsp of oil and add the other half of the onion and let it cook till almost dark brown- black
once the pressure is released add the grated coconut, garam masal powder, tamarind pulp  and bring to boil
add the tempered onion and garnish with fresh coriander.