Yuck! All I can say is yuck. I am glad I gave up buying hamburger years ago.
Pink slime,” a cheap meat filler, is in 70 percent of the ground beef sold at supermarkets and up to 25 percent of each American hamburger patty, by some estimates.
“It kind of looks like play dough,” said Kit Foshee, who was a corporate quality assurance manager at Beef Products Inc., the company that makes pink slime. “It’s pink and frozen, it’s not what the typical person would consider meat.”
http://abcnews.go.com/blogs/headlines/2012/03/is-pink-slime-in-the-beef-at-your-grocery-store/