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.
Weigh the joint in order to calculate the cooking time. If you like rare beef cook the joint for 20 minutes per 450g plus 20 minutes, for a medium result cook the meat for 25 minutes per 450g plus 25 minutes and for a well done joint cook it for 30 minutes per 450g plus 30 minutes.Once the joint is cooked allow it to stand for 10 minutes this will make it easier to carve.f you like rare beef cook the joint for 20 minutes per 450g plus 20 minutes, for a medium result cook the meat for 25 minutes per 450g plus 25 minutes and for a well done joint cook it for 30 minutes per 450g plus 30 minutes. Baste the meat regularly during cooking.