Burger King is serving a 'nightmare' burger for Halloween, made with beef, bacon, and melted cheese in a green bun

Get the Full StoryAP Photo Gene J. Puskar

Burger King will serve a special-edition sandwich for Halloween dubbed the "Nightmare King."

The sandwich is made with a green sesame seed bun, along with a beef patty, chicken fillet, cheese, bacon, mayonnaise, and onions.

The Nightmare King will be available at select Burger King locations for a limited time beginning October 22.

You can also order the burger with free Postmates delivery through November 1.

Known for its unconventional promotions, Burger King is already joining in on the Halloween festivities this month with a new holiday-themed burger.

On October 22, Burger King will release the "Nightmare King," a 6.39 burger comprised of a meaty trio of a beef patty, chicken fillet and bacon strips complemented with onions, mayonnaise, and American cheese encased in its signature glazed green sesame bun.See the rest of the story at Business InsiderNOW WATCH: What marijuana looks like under the microscopeSee Also:9 holidays around the world with surprisingly dark origins20 clever group Halloween costumes you'll want to wear with your friendsSpooky photos of Disney parks during Halloween prove that it's the best time to go

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