In a pan, add 2 tablespoon oil,
Also, add 2 tablespoon ginger garlic paste. Cook on high temperature until oil floats on the surface.
Now add, Chicken - 700 gms and cook at very high temperatures to make chicken juicy and chewy.
Add yogurt - 1 Cup. Cook on high heat until it forms a gravy.
In the meanwhile, add Nihari Masala Powder.
(To make nihari masala, take Bay leaves – 8, Cinnamon –6 inches, Nutmeg – ½ piece, Star Anise – 2, Green Cardamom – 20, Black pepper – 40, Cloves – 25, Dry Ginger – Saunth 6″ piece,Fennel Seeds – 1.5 Tbsp, Coriander Seed – 3 Tsp, Black Cumin – 1 Tsp, Cumin Seeds – 2 Tsp. Combine and grind all ingredients to make a powder in grinder. Now in a separate bowl add: Red Chili Powder – 2 Tsp, Turmeric Powder – 1.5 Tsp, Coriander Powder – 1 Tsp, Ground Garam Masala – 2 Tbsp. Mix well..
Add 3 Tsp, nihari masala powder in curry.
Again, stir masala on high heat.
Add water - ½ liter. Mix well!!
Cover for 35 minutes.
Now in a bowl, add aata (wheat flour), a pinch of salt and water to make a thick solution.
Now add this flour solution in Nihari. Make sure to add slowly and gradually by monitoring the thickness of the Nihari gravy.
Stir constantly otherwise the gravy will show the lumpy texture.
Now check salt. Adjust accordingly.
Cover and cook for about 10 to 15 minutes on low heat.
In the meanwhile prepare tadka, In hot oil, add onion slices. Fry onion until it gets golden brown color.
Add tadka in curry and keep it on low heat for 5 to 10 minutes.
As the oil floats over the pan the Nihari is ready to serve.