Noodle Salad with Chicken and Chile-Scallion Oil

Name: Noodle Salad with Chicken and Chile-Scallion Oil
Cuisine: Asian
Ingredients: 2 scallions, thinly sliced; 2 garlic cloves, thinly sliced; 2 star anise pods; 2 tablespoons crushed red pepper flakes; 1 tablespoon chopped fresh ginger; 1 teaspoon Sichuan peppercorns; 1/2 cup vegetable oil; 6 ounces Japanese wheat noodles (such as ramen, somen, or udon); 2 tablespoons reduced-sodium soy sauce; 2 tablespoons unseasoned rice vinegar; 2 teaspoons sugar; 1 teaspoon toasted sesame oil; 2 cups shredded cooked chicken; 1/2 large English hothouse cucumber, halved lengthwise, thinly sliced; 4 radishes, trimmed, thinly sliced; 1 cup cilantro leaves or any sprout