Moroccan Chicken with Preserved Lemons

Name: Moroccan Chicken with Preserved Lemons
Ingredients: 3 tablespoons extra-virgin olive oil; 2 medium yellow onions, halved through the root and thinly sliced; Kosher salt; Freshly ground black pepper; 4 cloves garlic, thinly sliced; 1 tablespoon sweet paprika; 1 teaspoon ground cinnamon; 1/2 teaspoon ground ginger; 1/2 teaspoon turmeric; 1/4 teaspoon cayenne pepper; 2 cups (480 milliliters) chicken or vegetable broth; 4 pounds (1.8 kilograms) skin-on chicken legs and thighs, trimmed of excess fat; 1 preserved lemon, rinsed, pith removed, and peel thinly sliced; 1/2 cup (80 grams) green olives, pitted and thinly sliced; 2 tablespoons fresh lemon juice; Roughly chopped fresh flat-leaf parsley or cilantro for sprinkling