Cook the Daal.
Add soaked sabut masoor, onion, tomato, turmeric, red chilli powder, crushed red chillies, salt, and chicken cube to a pressure cooker.
Pour in 4 cups of water.
Pressure cook for 10 minutes on medium flame.
Let pressure release naturally.
Lightly mash if needed and add fresh coriander.
Prepare the Tamarind Tarka.
Heat oil in a pan.
Add cumin seeds and let them crackle.
Add chopped onion and fry until golden brown.
Add garlic cloves and whole dried red chillies; sauté until aromatic.
Pour in tamarind pulp and cook for 2-3 minutes until slightly thick and glossy.
Finish.
Pour the hot tamarind tarka directly over the cooked daal.
Cover for 1 minute to trap the aroma.
Serve hot with plain white rice.