Ingredients:

• 8 whole cloves, or 1/2 teaspoon ground cloves
• 1 tablespoon black peppercorns, or 3 teaspoons ground pepper
• 5 green cardamom pods, or 1/2 teaspoon ground cardamom
• 1 tablespoon coriander seeds, or 3 1/2 teaspoons ground coriander
• 1 heaping teaspoon cumin seeds, or 1 1/2 teaspoons ground cumin
• 5 tablespoons extra virgin olive oil
• 3 medium yellow onions, roughly chopped, about 4 cups (650g)
• 2 cloves garlic, crushed
• 1 heaping tablespoon grated ginger
• 2 teaspoons turmeric
• 1 heaping teaspoon paprika
• 1 stick cinnamon, ground, or 1 teaspoon ground cinnamon
• 4 large ripe tomatoes, cut into 1-inch chunks, or 1 (28-ounce) can whole tomatoes, quartered
• 2 1/2 to 3 1/2 pounds boneless lamb shoulder or leg, cut into 1-inch chunks
• 1 cup water
• 1 1/3 cups full-fat plain yogurt (can use Greek style)
• Kosher salt