Sorry, I assumed everyone knew what Guinness was. Guinness is an Irish beer that is known for its dark (almost black) body and very creamy tan head, after it is poured in a glass. It is a "stout", as opposed to an ale (generally red or brown in color) or a lager (generally golden in color)...
Sorry for the late reply (St. Patty's is over obviously) but my recipe is as follows:
Thefatguy's Corned Beef Heaven
Slice an entire brown onion into thick slices and line the bottom of a roasting pan. Add 2 Bay leaves and 2 cloves garlic. Lay the corned beef brisket (fat side up) on the...