Grilled Lamb Shawarma - American Lamb Board

Ingredients

• 3-4 pounds boneless American lamb shoulder
• 1/3 cup grapeseed oil or other light, neutral oil, plus 2 tablespoons
• 1 large lemon, (juiced)
• 2 tablespoons ground coriander
• 1 tablespoon turmeric
• 1 tablespoon sumac
• 2 teaspoons garlic powder
• 2 teaspoons cumin
• 2 teaspoons paprika
• 2 teaspoons Kosher salt
• 1 teaspoon cardamom
• 1/2 teaspoon ground cinnamon
• 1/4 teaspoon cayenne pepper
• 1 large onion thinly sliced
• 3 tablespoons red wine vinegar
• Fresh parsley finely chopped, (for serving)