Brian K wrote:

This has been a new development since that big "mad cow" scare. I grew
up eating rare hamburgers with the meat almost red in the center and
juices a lovely pink. Burgers without some pink just don't taste good.
They taste like sawdust.

Grind your own beef from large, washed cuts of beef. Grind close to the
time you grill it and you'll probably be just fine.