Many of us have had the experience of buying ground beef that looks bright red and fresh in the package, only to open it and discover it's gray in the center. Chef Thomas Odermatt, the founder and ...

There's a difference between ground beef and hamburger. People use the ... It might change color—and that's not a bad thing.

I have said this too many times. In the 1990’s ninety percent of the work I did were E. coli O157:H7 cases linked to hamburger. However, due to the ...