There's only so much thinking “outside the bun” you can do before wondering what's inside the burrito. That may have been the thought-process of California resident Amanda Obney before she filed a lawsuit against Taco Bell for false advertising. The class action lawsuit, filed in Federal court against the fast food chain, claims their beef products don't have enough beef in them. According to the lawsuit, only 35 percent of the beef is actually beef. Which begs the question: What's in the other 65 percent?

“We start with 100 percent USDA-inspected beef,” said Taco Bell President Greg Creed in a statement. It might be USDA-inspected, but does that mean it was USDA-approved?

Watch Creed's official statement on video, after the jump.

According to the nutritional facts on the company website, the seasoned beef contains 26 ingredients, only one of them being beef. It doesn't break down percentages for us, but the product also contains chemicals such as silicon dioxide, cocoa powder (processed with alkali), autolyzed yeast extract, and modified corn starch, to name a few.

Taco Bell President Greg Creed clears some things up and gives away Taco Bell's “secret ingredients” on camera. We're not sure if he's chuckling towards the end of the video because it's a joke, or because he's just so excited about the money rolling in from those 35 million customers per week.

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