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Tender Slow Cooker Corned Beef Recipe with Rich Guinness Glaze

slow cooker corned beef - featured image

A hearty and fuss-free slow cooker corned beef recipe featuring a rich, slightly sweet Guinness glaze that delivers tender, melt-in-your-mouth meat perfect for cozy dinners.

Ingredients

Scale
  • 34 pounds corned beef brisket, preferably with spice packet included
  • 4 cups beef broth or water
  • 2 bay leaves
  • 4 cloves garlic, smashed
  • 1 large onion, quartered
  • 68 small red potatoes, halved
  • 3 large carrots, cut into chunks
  • 1 small head of cabbage, cut into wedges (optional)
  • 1 cup Guinness beer (preferably Guinness Draught)
  • 1/4 cup brown sugar, packed
  • 2 tbsp Dijon mustard
  • 2 tbsp apple cider vinegar
  • 1 tbsp Worcestershire sauce
  • 1 tsp black pepper

Instructions

  1. Rinse the corned beef brisket under cold water to remove excess salt, then pat dry with paper towels.
  2. Place the quartered onion, smashed garlic, bay leaves, and potatoes in the bottom of the slow cooker.
  3. Place the corned beef brisket fat side up on top of the veggies.
  4. Pour in the beef broth or water, making sure the liquid comes about halfway up the sides of the meat.
  5. Cover and cook on low for 8-10 hours, or until the meat is tender and easily pierced with a fork.
  6. About 30 minutes before the brisket is done, whisk together Guinness, brown sugar, Dijon mustard, apple cider vinegar, Worcestershire sauce, and black pepper in a bowl.
  7. Carefully remove the brisket from the slow cooker and set on a cutting board.
  8. Pour off most of the cooking liquid, leaving about 1/4 cup in the slow cooker.
  9. Place the brisket back in and pour the Guinness glaze over it.
  10. Cover and cook on high for an additional 20-30 minutes, basting the meat occasionally to build a sticky, rich glaze.
  11. Add the cabbage wedges around the brisket during the last 30 minutes of cooking if using.
  12. Remove the brisket and let it rest for 10 minutes before slicing against the grain.

Notes

Rinsing the brisket removes excess salt and prevents the dish from becoming too salty. Keep the fat side up during cooking to baste the meat naturally. Avoid lifting the lid frequently to maintain heat. If glaze is too thin, simmer it in a saucepan until syrupy. Baste glaze in stages for best caramelization. Rest meat before slicing to keep it juicy.

Nutrition

Keywords: slow cooker corned beef, Guinness glaze, tender corned beef, easy corned beef recipe, Irish slow cooker recipe, hearty dinner, slow cooker beef