The spleen is an organ in the upper left abdomen, which filters blood, disposes of worn-out red blood cells, and provides a 'reserve supply' of blood. It contains both red tissue, and white lymphatic tissue. The major (encapsulated) lymphatic organs are the lymph nodes, thymus and spleen.
Place the brined corned beef in a large pot or Dutch oven along with the liquid and spices that accompanied it in the package. Pour in enough water to cover the beef, then bring the water to a boil on the stovetop. Reduce the heat to a simmer, and cover the pot. A three-pound corned beef could take three hours or more to become perfectly tender. Check the meat occasionally, adding more water if necessary. The beef is ready when it pulls apart easily.
7. Remove the meat when fork-tender. Depending on the size and variety of the cut you're braising, it should cook between 2 and 4 hours to reach its most tender state, and reach an internal temperature of around 160 F. When the beef is done, it should literally fall apart with very little pressure from a fork.epending on what you want to do with the beef you braise, you might elect to make a one-pot meal with the addition of vegetables. In most braising, some variety of aromatic vegetable will always be used to keep the moisture consistent in the bottom of the pot, as well as to release other flavors and aromas.