Remove Thousand Hills Corned Beef Brisket from package
Place the Corned Beef-fat side up- carrots, potatoes and add 3 cups of water into the slow cooker.
Cover and cook on LOW for 6 hours.
Add cabbage on top of Corned Beef Brisket and cook on LOW for another 2 hours.
Remove the cabbage, Corned Beef, carrots, and potatoes from the slow cooker. Slice the Corned Beef against the grain.
Place the butter, garlic, parsley, salt and pepper into a small bowl. Microwave ingredients in 30 second increments until melted.
Drizzle the garlic butter over the carrots, potatoes, and cabbage. Place the Corned Beef and vegetables on a platter and serve with grain mustard on the side if desired.
Notes
If you prefer firmer veggies add them halfway through the cook time.