Add Yahoo as a preferred source to see more of our stories on Google. Shake Shack menu items on a tray Image by Shake Shackwebsite Shake Shack is offering customers a free burger throughout May as ...

LAS VEGAS (FOX5) — Shake Shack is offering free burgers through May 31 as part of a National Burger Month promotion that includes a chance to win free burgers for a year. Customers can receive a free ...