Carrot Soup with Ginger and Leeks

Name: Carrot Soup with Ginger and Leeks
Ingredients: 3 tbsp. extra-virgin olive oil, divided, plus more for garnish; 12 oz. smoked sausage, sliced into ¼-inch half moons; 2 leeks, halved lengthwise, rinsed well, and thinly sliced (4 oz.); 6 garlic cloves, smashed and peeled; 4 tbsp. thinly sliced peeled ginger; 3 hot red chiles, such as Thai, stemmed and coarsely chopped, or substitute 1 ½ tsp. crushed red pepper (optional); 8 cups chopped carrots (2 lb. 5 oz.); 1 tbsp. kosher salt; Freshly ground black pepper; 8 cups chicken or vegetable broth; 3⁄4 cup fresh orange juice; 1 cup heavy cream; 1⁄4 cup chopped flat-leaf parsley