Ingredients

• ½ cup extra-virgin olive oil
• ¼ cup fresh lime juice
• 2 large onions, grated
• 1 clove garlic, crushed
• ½ teaspoon saffron
• 1 teaspoon salt
• ¼ teaspoon black pepper
• 1 ¾ pounds boneless lamb, cut into 1/2-inch x 1 1/2-inch pieces
• 4 tomatoes
• 1 tablespoon sumac powder (optional)