Yo Quiero Taco WHAT? I have never been under the illusion that Taco Bell served "the best" food. But I at least hoped that they were using actual beef.

Taco Bell might want to change it's "Think Outside the Bun" campaign to "What's Really in That Taco?" after a class-action lawsuit filed against the fast-food giant claimed its taco filler doesn't, um, "meat" federal standards.

The suit against the YUM-brands chain also has a "beef" with the company's advertising, charging its claims of using "seasoned ground beef" or "seasoned beef" in its food products is false.

According to the suit filed by the Alabama law firm Beasley, Allen, Crow, Methvin, Portis & Miles, the YUM-brands owned chain is using a meat mixture that contains binders and extenders, and does not meet the minimum requirements set by the U.S. Department of Agriculture to be labeled as "beef.”

And lastly, what are binders and extenders? That just sounds completely wrong.

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