Stir mustard, onion, vinegar, pickling salt, garlic, bay leaves, parsley, celery seed, and peppercorns together in a bowl. Cover and refrigerate for 24 hours.
Rub brisket with mustard mixture, wrap tightly, and refrigerate overnight.
Unwrap brisket and place into a slow cooker. Pour in 1 cup water, cover, and cook on Low for 5 hours. Add carrots and cabbage; continue to cook until brisket is tender and can easily be pulled apart with a fork, about 3 more hours.
Nutritional Facts
Per 8 servings
Calories: 340
Carbohydrate: 11g
Fat: 20g
Fiber: 3g
Protein: 28g
Sugar: 4g
Related Recipes
Slow Cooker Beef Brisket
Easy Corned Beef and Cabbage
Slow Cooker Corned Beef, Cabbage, and Potatoes
Easy Slow Cooker Corned Beef
Slow-Cooker Corned Beef and Cabbage
Dutch Oven Corned Beef and Cabbage
Slow Cooker Texas Smoked Beef Brisket
Slow Cooker Corned Beef and Cabbage from Reynolds®