How to Make It
Cook pasta according to package directions, omitting salt and fat. Add carrots to pasta during the last 3 minutes of cooking. Drain well.
Combine broth and next 5 ingredients (through Sriracha) in a food processor; process until smooth. Combine pasta mixture, chicken, and onions in a large bowl. Drizzle broth mixture over pasta mixture; toss well. Sprinkle with sesame seeds.