Take Enough water in a pot. Bring the water to boil. Add in washed and cleaned basmati rice. Add in Spices like Bay Leaves, Cinnamon, Cloves and star Anise.
Allow the rice to cook until 90 %. Drain the excess water and remove the added in whole spices. Set the rice aside until layering for Dum.
For Saffron Milk
Soak the saffron in warm milk and set aside for 15 minutes so that the saffron petals infuses with the milk
For the Mutton Kola Balls
Heat oil in a Wok.
Add in Fennel seeds and saute until nice aroma comes out.
Add in onion and saute until glossy.
Add in Ginger Garlic Paste and saute until nice aroma comes out.
Add in Mint and Coriander leaves and saute them.
Add in Turmeric Powder, Chilli Powder, Garam Masala Powder and Coriander Powder and saute until the masalas are cooked well. If the mixture is very dry add in few tablespoons of water.
Add in Mince Mutton and Saute them. Cook until the mutton is cooked well. If required only them add few tablespoons of water. Cook until the mutton is cooked completely. Switch off the flame and cool down the mixture.
Pulse the mixture in a blender into a coarse paste.
Add in gram flour and mix it gently.
Make small balls for the mixture.
Heat oil in a wok and deep fry the balls.
Place them in an absorbent paper so that the excess oil is absorbed.
For Sauting Onion
Heat Ghee in a wok. Add in onion and saute until the onion starts browning.
For Kola Masala
Heat Ghee in a Wok. Add in Cinnamon, Cloves, Bay Leaves and Star Anise. Saute until nice aroma comes out.
Add in Onion and saute until glossy.
Add in Ginger Garlic Paste and saute until it cooks well.
Add in Mint and Coriander Leaves and saute well.
Add in Turmeric Powder, Chilli Powder, Cumin Powder and Coriander Powder. Cook until the masalas blend well.
Add in the milk and cook for few minutes.
Add in Kola balls and give a quick stir. Cook for few minutes. Switch off the flame.
For Layering in Dum
Heat an empty pressure cooker.
Layer half of the rice in the pressure cooker.
Next Layer the Kola Masala on the rice.
Next Layer the remaining rice in the Kola Masala.
Layer the Deep fried Onion.
Pour the Saffron Milk on top of the rice.
Close the pressure cooker but do not use the cooker weight.
Cook in low flame for 20 minutes. Switch off the flame.
Delicious Mutton Kola Biryani is now ready to serve.
Open the pressure cooker just before serving.
Notes
Since this is a Dum biryani there is no strict water measurement while cooking rice. The excess water is drained.