As a thank you to fans, Burger King is offering Whopper sandwiches for $1 for a limited time, while supplies last.

The limited-time offer is the culmination of Burger King’s national “Million Dollar Whopper Contest,” which kicked off in February. It invited customers to dream up their own version of the classic sandwich for a chance at $1 million and to have their creation featured on Burger King’s menu.

Back in February, Burger King launched its Million Dollar Whopper Contest, in which people submitted ingredients for their ideal Whopper to win $1 million and have their creation sold in stores nationwide for a limited time. Burger King is selling 1 ...