Souper! Salad! Printable Coupon.
Sign-Up for Souper Salad email club and you'll get coupon immediately sent to your email for 20% off your lunch or dinner buffet. Plus they will send you other offers as well including one for a free birthday meal.
As always I recommend you call the restaurant location your going to before you leave to make sure they are participating. Locate your nearest Souper! Salad at this link here.