Beef

Where to get it
Pasture via Beef Cow or Longhorn Cow livestock. (At least I think it's only those two - or did the Friesians provide beef, too?)

Farmyards #14 and #15, found in Themed Sets => Farmyards

How to use
Beef can be butchered into various meat products, tinned, smoked, salted, potted and cooked into various meals.

Other Information
Despite its trading value of 1, Beef can be sold via the Choo-Choo mod for 3 coins, each having a trade value of 1.