North African Lamb Kebabs

Ingredients

• 1 1/2 cups finely chopped onion
• 1 tablespoon lemon zest
• 1/4 cup fresh lemon juice
• 1/4 cup chopped fresh parsley leaves
• 1/4 cup chopped fresh cilantro leaves
• 3 tablespoons chopped fresh mint leaves
• 2 teaspoons salt

• 1 teaspoon ground cumin
• 1 teaspoon paprika
• 1 teaspoon freshly ground black pepper
• 1/4 cup olive oil
• 2 to 2 1/2 pounds boneless leg or shoulder of lamb, cut into 1-inch cubes with some of the fat attached
• 6 warm pita breads, for serving
• Yogurt Dipping Sauce, recipe follows

• 1/2 cup plain yogurt
• 1/2 cup sour cream
• 1 tablespoon fresh lemon juice, or more to taste

• 1 tablespoon chopped fresh mint leaves
• 1 tablespoon chopped fresh dill