Ingredient:

• 1/3 cup plain yogurt
• 2 cloves garlic, minced
• 2 teaspoons grated fresh ginger
• 2 teaspoons ground coriander
• 1 1/2 teaspoons ground cumin
• 1 teaspoon cayenne pepper
• 1 teaspoon paprika
• 1/2 teaspoon ground turmeric
• 1 1/2 pounds lamb shoulder, cut into 2-inch pieces
• 2 medium onions, finely chopped
• 1 1/2 tablespoons tomato paste
• pinch of salt
• 2 tablespoons unsalted butter
• 1 1/2 cups boiling water
• 2 bay leaves, crumbled
• 2 green cardamom pods, split open at the top
• 1 (2-inch) cinnamon stick
• 4 whole cloves
• 1/2 teaspoon nutmeg
• 2 tablespoons freshly chopped cilantro
• 1 tablespoon freshly chopped mint