Because it's leaner, the flat cut is the version of brisket that's a staple dish to serve on Jewish holidays. The same is true of corned beef, where brisket is cured in a salt solution (in the U.S ...
Delicious, salty corned beef is fairly easy to recreate at home. When you do so, however, just make sure to use this cut of beef for the best outcome.
Made from the breast or lower chest of the cow, brisket is a tough beef cut that is prepared by braising or slow smoking. It is also commonly cured and made into pastrami or corned beef.