Starbucks Members: Possible Buy One, Get One FREE Breakfast Sandwiches (12/14) Only! December 14, 2013 by Rebekah The links in the post below may be affiliate links. Read the full disclosure.Print Email If you are a Starbucks member you’ll want to check your emails! I just got a coupon for a buy one, get one FREE breakfast sandwiches. It’s only valid today, December 14th…but I’m not complaining, as some of these sandwiches sure do look tasty.