Roast Leg Of Goat (Raan)

Name: Roast Leg Of Goat (Raan)
Prep time: 12 h
Cook time: 4 h
Total time: 16 h
Cuisine: Indian
Ingredients: 1 piece mace; 1 inch cinnamon stick; 1 piece star anise; 3 pieces cardamom; 1 tsp fennel; 2 bay leaves; 2 tsp salt ((see notes)); 2 tsp red chili powder; 1 tsp corriander powder; 1 tsp cumin powder; ¼ tsp turmeric powder; ½ tsp black pepper; ½ onion; 1 tbsp ginger; 1 tbsp garlic; 2 tbsp lemon juice; 1 cup yogurt ((see notes)); ¾ cup tomato paste ((see notes)); 2 serrano chillies; ½ cup cilantro; spice blend; 2.5 lb whole goat leg ((see notes)); ½ tsp salt; marinade; ½ cup cooking oil; 6 cups water; 4 potatoes