How McDonald’s Hamburger Patties Are Made

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Finally, the cat (or should we say cow?) is out of the bag! McDonald’s, the giant fast food chain known all over the world for its golden arches logo, reveals what their hamburgers are really made of. Watch former Mythbusters co-host Grant Imahara take a tour of McDonald’s beef supplier Cargill’s meat processing plant to find out if the hamburgers are really made of 100% beef or just “wood pulp”, “pink slime” and “lips and eyeballs”. What’s your beef?