Take 500 grams of mutton, wash and pat dry them. Marinate with 1 tsp of salt, 1 tsp of red chili powder, 1 tsp of Kashmiri red chili powder, ¼ tsp of turmeric powder, ½ tsp of crushed black pepper, 2 tbsp of ginger and garlic paste, ¾ cup of yogurt, and 2 pieces of green chilies (cut into fairly large pieces).
Smoke the marinated mutton putting 1 tsp of cooking oil in hot charcoal and covering the bowl for 5 minutes. Remove the charcoal, cover the bowl and keep it in the fridge to marinate for an hour.
Fry 2 pieces of cinnamon (1 inch size sticks), 1 piece of black cardamom, and 4 pieces of green cardamom in 2 tbsp of cooking oil slightly. Add 1 piece of onion (large, finely sliced) and fry till slightly golden.
Fry 2 pieces of large roughly chopped tomatoes until soft. Mix 1 tsp of salt, 1 tbsp of coriander seed powder, 1 tsp of red chili powder, 1 tsp of cumin seed powder, ½ tsp of Kashmiri red chili powder on a medium flame until oil separates.
Mix the marinated mutton.
Add 4 cups of water. Cover and cook on a medium to high flame for 40 to 50 minutes until tender.
Mix 1 tsp of crushed dry fenugreek leaves (Kasuri Methi), 1 tsp of crushed, roasted cumin seeds, 1 tsp of garam masala powder, and 1 tbsp of roughly chopped coriander leaves. Check the consistency of the gravy. Transfer it to a serving tray.
Your tasty and spicy homemade mutton angara is ready.