Turkish Chicken Tacos

Name: Turkish Chicken Tacos
Ingredients: 1 cup loosely packed fresh flat-leaf parsley leaves, roughly chopped, plus more, for serving; 1 medium red onion, thinly sliced; 1/3 cup fresh lemon juice (from about 2 1/2 lemons), plus lemon wedges, for serving; 1 tablespoon plus 1/2 teaspoon chili powder; Kosher salt and freshly ground black pepper; 2 tablespoons vegetable oil; 1 medium carrot, grated; 1 1/2 teaspoons ground coriander; 1/2 teaspoon ground nutmeg; 1 1/4 pounds ground chicken; 1 cup Greek yogurt; Eight 6-inch flour tortillas, warmed