Preparation Set sous vide machine to 82C/180F. Rub pickling spice packet on the fat side of the corned beef. Here is where using sous vide to cook your corned beef is different from boiling corned beef. Using a sous vide device, I cooked several pieces of the same brisket at 160°F for various periods of time, starting with a mere two hours, all the way up to a full 36 hours. How to Sous Vide Corned Beef. I want to get out EVERY piece of goodness out of those spices. ... You can also use a Dutch oven set in a 200°F oven to cook your corned beef. Set your sous vide to 180F. Beef chuck is an ideal alternative to brisket when you're barbecuing or, in this case, sous vide-ing. After rinsing off the brine, place the beef in a vacuum bag. It's a cheaper cut of meat that's easier to find, and it cooks with more consistent results. Here, we sous vide the chuck until it's tender and moist, and then we move it to the grill to impart it with the smokiness and char of classic barbecue. It is optional but I lay on some of the extra spices from the brine.