Shake Shack's double cheeseburger was a little too heavy for my liking, while Wendy's and Burger King both impressed me with their triple-stacked burgers. Here's how the biggest burgers at five ...

Customers can redeem a double cheeseburger on Dec. 16 by downloading ... offering for the holiday season as well. That includes Shake Shack, which announced on Monday that from now until Christmas ...