Turkish Lamb Kabobs with Pistachios and Soft Herb Salad

Ingredients

• 1 pound boneless lamb leg or shoulder
• 1 small red onion, diced
• 1 tablespoon sea salt
• 1 teaspoon ground cumin
• 1 teaspoon sweet paprika
• ½ teaspoon hot paprika
• ½ teaspoon ground nutmeg
• ½ teaspoon freshly ground black pepper
• ½ cup unsalted shelled pistachios, coarsely chopped
• ¼ cup shredded flat-leaf parsley leaves, divided
• 1 cup mint leaves
• 1 small red onion, sliced in very thin rings
• juice of ½ lemon
• drizzle of extra-virgin olive oil
• salt
• black pepper
• ½ teaspoon ground sumac
• warmed flat bread to serve