Copycat Subway Golden Creamy Broccoli Soup. This link has the "adjustable" number of servings, so you can make more/less, and calculations are done for you. This recipe calls for celery... I don't recall celery in the soup at subway.
If you like the Wisconsin Cauliflower Soup at Cafe Zupas, you must try this Slow Cooker Copycat Cafe Zupas Wisconsin Cauliflower Soup from 365 Days of Slow Cooking! [Featured on SlowCookerFromScratch.com]