Souper Salad Birthday Club = FREE Birthday Surprise! I may get paid for ads or purchases made through links in this post.October 28, 2010 By Heidi 1 Comment If you live near a Souper Salad, join the Souper Salad Birthday Club and receive a Free Surprise on your Birthday! There is also a current Souper Salad Coupon for a $5.99 lunch or dinner! View Souper Salad Locations Here. See Also: BIG List of Birthday Freebies!