B1G1 Coupon for Einstein Bros Bagels This post may contain affiliate links. Please see the full disclosure policy here. Posted on June 24, 2009 Written by Mary Leave a Comment B1G1 Entree or Salad at EINSTEINS! Print this B1G1 Free Lunch Entree or Salad coupon and take it to your nearest Einstein Bros Bagels now through 7/3. And while you are at it, sign up for their E-Club and receive offers like these in your inbox!