Lamb Karahi (Pakistani Lamb Curry)

Ingredients

• 1/2 cup vegetable oil
• 1 pound bone-in lamb pieces, cut into 2-inch pieces
• 6 garlic cloves, minced
• 1 inch fresh ginger, minced
• 2 tsp red chili powder
• 1 tsp black pepper, freshly ground
• 1/2 tsp cumin seeds, crushed
• 1/2 tsp coriander seeds, crushed
• Salt, to taste
• 1 pound tomatoes, chopped
• 3 green chilies
• 1/2 cup coriander (cilantro) leaves, chopped
• 1/2 tsp fresh lemon juice
• 1/2 tsp fresh ginger, finely sliced (julienne)