Ingredients
Equipment
Method
- Preheat oven to 325°F (163°C). Remove brisket from packaging and rinse thoroughly under cold water. Pat completely dry with paper towels.
- Place the brisket, fat-side up, in a large Dutch oven or heavy oven-safe pot.
- Sprinkle the spice packet over the brisket. Scatter the chopped onion and smashed garlic around the meat.
- In a separate bowl, whisk together the Guinness, beef broth, whole grain mustard, brown sugar, and apple cider vinegar.
- Pour the liquid mixture into the pot around the brisket. It should come about halfway up the sides of the meat.
- Add the bay leaf and a generous amount of cracked black pepper to the liquid.
- Cover the pot with its lid and place in the preheated oven. Braise for 3 to 3 1/2 hours, until the meat is extremely tender and a fork inserts and twists with little resistance.
- Carefully remove the pot from the oven. Using tongs, transfer the corned beef to a cutting board, tent loosely with foil, and let rest for 15-20 minutes.
- While the meat rests, optionally strain the braising liquid into a saucepan and simmer for 15-20 minutes to reduce and thicken into a gravy.
- Slice the rested corned beef against the grain into 1/4-inch thick slices. Serve with the reduced gravy.
Notes
For a slow cooker, cook on LOW for 8-9 hours or HIGH for 5-6 hours. Rinsing the brisket is essential to prevent excess saltiness. Always braise fat-side up to baste the meat. The fork test is the best indicator of doneness. For variations, add root vegetables in the last hour, a tablespoon of tomato paste to the braising liquid, or glaze the cooked brisket under the broiler with a mix of reduced liquid and mustard. Store leftovers in an airtight container in the refrigerator for up to 4 days.
