Bihari Mutton Curry

Ingredients

• 750 grams mutton, cut into 2 inch pieces on bone
• 3 large onions, thinly sliced
• 2-3 green chillies, slit
• 1½ Kashmiri red chilli powder
• ½ teaspoon turmeric powder
• 1 tablespoon coriander powder
• 2 teaspoons cumin powder
• Salt to taste
• 2 whole garlic pods
• 1 tablespoon ginger-garlic paste
• 3-4 tablespoons mustard oil
• 3-4 green cardamoms
• 8-10 black peppercorns
• 1 inch cinnamon  
• 4-5 cloves
• 1 black cardamom
• 2 medium tomatoes, vertically quartered
• 3-4 tablespoons chopped fresh coriander leaves
• Fresh coriander sprig for garnish
• Steamed rice to serve

Method

1. Take mutton in a large parat, add onions, green chillies, Kashmiri red chilli powder, turmeric powder, coriander powder, cumin powder, salt, garlic pods and ginger-garlic paste and mix crushing lightly with your fingers till each mutton piece is well coated with the masala. Set aside to marinate for 10-15 minutes. 
2. Heat mustard oil in a pressure cooker and till it begins to smoke. 
3. Add green cardamoms, black peppercorns, cinnamon, cloves and black cardamom and saute till fragrant.
4. Add mutton, mix and sauté on high heat for 3-4 minutes, stirring every few minutes.  
5. Add tomatoes and 1½ cups water and mix well. Reduce heat to medium, cover and cook for 4-5 whistles.
6. Open the cooker once the pressure has reduced completely.  
7. Place the cooker back on heat and cook till the mixture comes to a boil. Add coriander leaves and mix well.  
8. Transfer the curry into a serving bowl, garnish with coriander sprig and serve hot with steamed rice.