• Prepear the drained rice(refer to related video).
• Wash, skin and slice beetroot into 1 cm thick pieces.
• In a pot, add water, oil, liquid saffron and arrange the beetroot slices.
• Arrange the rice on top of the beetroot, then bring all the rice to the centre.
• Make a few holes on the rice pile, cover and allow the rice to steam.
• Cover the lid with a kitchen towel, cover the pot and cook the rice for 1 hour on a lower heat.
• When ready, place a serving dish on top of the pot, turn the pot over with the dish to transfer the rice over to the dish.
• Serve hot.
• Now enjoy (nooshe jan). 

If you want to get a good tadig, you have to cook the rice longer using a low heat.