Quote from : Make the Bread, Buy the Butter: What You Should and Shouldn't Cook from Scratch -- Over 120 Recipes for the Best Homemade Foods Book

Big food companies make hot dogs with mechanically separated meat (msm) that, as described matter-of-factly by the [USDA], is "a paste-like and batter-like meat product produced by forcing bones with attached edible meat under high pressure through a sieve or similar device to separate the bone from the edible meat tissue.". I read that and wanted to unread it.