Corned Beef And Cabbage: 1. Need a good cut of Corned Beef Brisket from your butcher, Cabbage, Red Potatoes, Guinness Beer, and Brown Sugar. 2. Preheat lower oven to 300 degrees F (150 degrees C) and rinse the beef and pat dry. 3. Cut some of the fat off the bottom of your corned beef or have your...