Steps Cook the corned beef before cutting it. Rest the meat under aluminum foil for 10 to 15 minutes. Choose a sharp knife to cut through the beef with ease. Slice through the fat to separate the cuts if you cooked a whole brisket. Trim the fat cap off of the corned beef. Click to see full answer. In respect to this, how do you cut corned beef against the grain?Place your cooked piece of corned beef on a large cutting board. Make a small incision along one end of the corned beef. Then pull the meat apart, using a fork if necessary, to see which way the grain fibers of the meat run.Furthermore, what is the most tender cut of corned beef brisket? The brisket is a tough cut of meat. Some prefer the point because it tends to be more tender and juicy after cooked. The flat or round cut is much leaner as you can see. Once it’s prepared it has a better presentation than the point. Similarly, it is asked, do you Rinse corned beef before cooking? You can rinse corned beef, but it’s not a requirement. Rinsing the brisket removes any excess salt from the meat, resulting in a more mild flavor. Or you can put the beef in the crock pot without rinsing at all.How do you know when corned beef brisket is done?It can be cooked on top of the stove or in the oven, microwave or slow cooker (see information below). “Fork-tender” is a good indication of doneness, but use a meat thermometer to be sure. Cook until the internal temperature has reached at least 160 degrees F. Corned beef may still be pink in color after cooking.