Authors:

Tea seems to tenderize cheap cuts of beef. After cooking chuck, boiling beef and brisket (I even mixed rib eye, which is ever so cheap, and it's great) I have decided that the tannic acid in the tea is what tenderizes beef!

Heloise (1963). “Heloise's Kitchen Hints”
Tea seems to tenderize cheap cuts of beef. After cooking chuck, boiling beef and brisket (I even mixed rib eye, which is ever so cheap, and it's great) I have decided that the tannic acid in the tea is what tenderizes