Spicy Moroccan Carrot Salad

Name: Spicy Moroccan Carrot Salad
Ingredients: 2 pounds carrots; 1/3 cup olive oil, plus extra to finish; 1 onion, finely chopped; 1 teaspoon sugar; 3 garlic cloves, crushed; 1 serrano; , finely chopped (and seeded, if you want less heat); 1 green onion, finely chopped; 1/8 teaspoon ground cloves; 1/4 teaspoon ground ginger; 1/2 teaspoon ground coriander; 3/4 teaspoon ground cinnamon; 1 teaspoon sweet paprika; 1 teaspoon ground cumin; 1 tablespoon white wine vinegar; 1 tablespoon chopped preserved lemon; Salt; 2 1/2 cups cilantro leaves, coarsely chopped, plus extra to garnish; 1/2 cup Greek yogurt, chilled