The untrue rumor that Taco Bell uses "grade D" beef goes back decades, but the restaurant's claim of using "100 percent USDA premium" beef is also inaccurate.
UNDATED (WKRC) - Taco Bell is bringing back ... Taco is made with the following ingredients: A bean-filled tortilla wrapped around a taco shell Seasoned beef Lettuce Shredded cheddar cheese ...