Ground Lamb Kebabs

Name: Ground Lamb Kebabs
Ingredients: 1½ pounds ground lamb; Cilantro Chutney, for serving; Lemon wedges, for serving (optional); 1 small red onion or large shallot, very thinly sliced, for serving (optional); 4 pita breads; Coarse salt, to taste; ¼ teaspoon ground nutmeg; ½ teaspoon black pepper, or more to taste; ½ teaspoon ground cumin; ½ teaspoon ground coriander; 2 cloves garlic, minced; 2 teaspoons peeled, minced fresh ginger; 1 to 2 jalapeño peppers, seeded and minced; 2 scallions, trimmed and minced; 3 tablespoons minced fresh cilantro