If you use your oven be sure to add water to the corned beef and seal it tightly with aluminum foil. It will need to simmer in the oven for several hours so don't add the vegtables until it is almost done. I am doing two corned beef briskets in my crock pot today. If its done, we will have one tonight, if not I am going to try the "brick thing" that someone described and we will have plenty for sandwiches later. I have a crock pot on high and it is simmering. I may lower it later but with two in there, high seemed appropriate.