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People on Twitter are confused by Burger King’s black Whopper

September 28, 2015, 6:24 PM UTC
Photograph courtesy of Burger King

Burger King is bringing a black Whopper to its restaurants in the U.S. just in time for Halloween. But people on Twitter are not impressed. In fact, people took to the social media service to blast the burger, which is appears to be causing lots of confusion.

To make it that spooky color, the Halloween version of the popular sandwich has the chain’s steak sauce baked into the bun. It reportedly has a black pepper flavor, while the sauce is also on the burger itself. A similar creation has already been sold in Japan.

“We tailored the flavor of the black bun to the American palate with A.1. sauce, a flavor this country loves, and we’re delivering it in a way that’s never been done before by baking it into the bun,” said Burger King Chief Marketing Officer Eric Hirschhorn in a press release. “It may look Japanese but it tastes like America.”

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This isn’t even the first time that Burger King has sold a crazy-colored burger. Fortune also reported on a red burger it sold in Japan.

Here’s what people said about the strange creation on Twitter:

And here’s Burger King’s post: